Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Power Management - Specialized

Texas Instruments TPS990STPZPRQ1

Name: TPS990STPZPRQ1
Brand: Texas Instruments
SKU: TPS990STPZPRQ1
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: TPS990STPZPRQ1

Manufacturer:: Texas Instruments

Category:: Power Management - Specialized

Package:: 100-TQFP Exposed Pad

Datasheet:: TPS990STPZPRQ1.pdf

Description:: DLP SYSTEM MANAGEMENT AND I

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:1,000

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

TPS99000S-Q1 from Texas Instruments is an automotive-grade system management and illumination controller for DLP® HUD and digital cluster displays. It integrates dual transimpedance amplifiers (TIA1/TIA2), a 12-bit ADC with up to 63 frame-synchronized samples, two DACs (12-bit and 10-bit), FET drivers for RGB LED/shunt control, and on-chip ±10V/8.5V/–10V DMD mirror voltage regulators. It enables >5000:1 dimming range with tight white balance in head-up display systems.

For engineers reviewing the TPS99000S-Q1 datasheet, TPS99000S-Q1 pinout, TPS99000S-Q1 application, or TPS99000S-Q1 equivalent, this page delivers verified functional safety (ASIL-B support), AEC-Q100 Grade 2 qualification (–40°C to 105°C), dual SPI interfaces with password/parity protection, and real-time over-brightness detection - all critical for HUD power sequencing, photodiode feedback loop design, and DMD subsystem diagnostics.

Technical Context

The TPS99000S-Q1 implements a tightly coupled illumination control architecture: two independent TIAs condition photodiode signals across wide dynamic ranges (0–7 mA combined input), feeding a 12-bit ADC that supports up to 63 time-sequenced samples per video frame. Its dual DACs drive color and pulse control loops - one 12-bit DAC for photo feedback with ≤500 ns settling, and one 10-bit DAC for current setpoint adjustment with ≤1 µs OBDAC response.

System-level monitoring includes two die temperature sensors (thermal warning at 135°C, emergency at 150°C), dual watchdog timers (WD1/WD2), clock frequency monitoring, and comprehensive supply supervision (1.1V/1.8V/3.3V/6V rails) with glitch-immune brownout detection. The device provides dedicated LDOs for TIA (–8V, +5V, +3.3V), ADC (+3.3V), and DMD biasing (+16V, +8.5V, –10V), each with power-good signaling and defined discharge timing.

Key Specifications

Parameter	Value and Actual Design Meaning
Operating Temp	AEC-Q100 Grade 2: –40°C to 105°C ambient - validated for under-hood and dashboard HUD mounting
ADC Resolution	12-bit SAR ADC with 10–12 ENOB, 0.1–1.6 V input range, and 63-frame time-sequenced sampling - enables precise optical feedback across brightness transitions
TIA Gain Range	14 programmable gain settings per TIA (0.6–345.6 kV/A), with ±20% absolute tolerance and ±3% relative matching - supports multi-optical-path calibration
DAC Accuracy	12-bit photo-feedback DAC: ±3.5 LSB INL/DNL, ±100 mV offset, ±5% gain error - ensures stable closed-loop dimming control
DMD Regulators	+16V (1.5 mA), +8.5V (16.3 mA), –10V (–17.6 mA) outputs with power-good thresholds and 260 µs discharge - meets DLP553xS-Q1 mirror voltage stability requirements
FET Drivers	S_EN1/S_EN2 shunt drivers: 4.6–4.85 Ω pull-down impedance (6V domain); R/G/B_EN low-side drivers: 4.6 Ω pull-down, 43.6–50.8 Ω pull-up - drives discrete NFETs for LED current steering
SPI Interfaces	Dual isolated SPI ports: primary (SPI1) for host control with checksum/parity/password registers; secondary (SPI2) read-only diagnostic port - enables secure system-level monitoring without interfering with main control path

Pinout & Package

TPS99000S-Q1 is housed in a 100-pin HTQFP package (14.00 mm × 14.00 mm), thermally enhanced with PBKG substrate ties and optimized for automotive PCB layouts requiring ESD robustness and thermal dissipation (R_θJB = 8.3°C/W).

Pin/Terminal	Circuit Role	Design Meaning
WD1 / WD2	Watchdog interrupt inputs	Assert reset if host MCU fails to service within timeout - enables fail-safe DLP projector shutdown
PARK_Z / RESET_Z / INT_Z	DMD control outputs	Active-low parking signal, sequenced reset to DLPC23xS-Q1, and open-drain interrupt to display controller - coordinates full chipset power state transitions
TIA_PD1 / TIA_PD2	Photodiode cathode inputs	Dedicated high-impedance inputs for optical feedback sensors - supports dual-path brightness/color monitoring with separate ground returns (VSS_TIA1/VSS_TIA2)
S_EN1 / S_EN2 / R_EN / G_EN / B_EN	FET gate drive outputs	Low-resistance NFET drivers for LED shunt bypass and RGB channel selection - enables high-speed PWM dimming and color mixing
ENB_1P1V / ENB_1P8V / ENB_3P3V	Buck regulator enable outputs	3.3V logic-level enables for external DC/DC converters - synchronizes power-up/down sequencing of entire DLP chipset
DMD_VOFFSET / DMD_VBIAS / DMD_VRESET	DMD mirror voltage outputs	Stable +8.5V, +16V, and –10V rails with dedicated decoupling caps - supplies DMD electrostatic mirror actuation with tight regulation

Key Features

Feature	Design Value
ASIL-B Functional Safety Support	ISO 26262 documentation package available - reduces FMEDA effort and accelerates safety case development for HUD systems
Dual Independent SPI Ports	Primary SPI1 for command/control with register-level password/parity protection; secondary SPI2 read-only diagnostic port - enables concurrent system monitoring without bus contention
Over-Brightness Detection	Hardware comparator with 8-bit DAC-adjustable threshold - prevents optical damage during LED startup or fault conditions without CPU intervention
Integrated DMD Voltage Regulators	Three precision rails (+16V, +8.5V, –10V) with power-good signaling and controlled discharge - eliminates need for external high-voltage bias ICs in DLP553xS-Q1/DLP462xS-Q1 designs
Frame-Synchronized ADC Sampling	Up to 63 time-sequenced samples per video frame - captures dynamic optical behavior across LED pulse phases for real-time gamma correction

Applications

Wide Field-of-View HUD	Digital Cluster Display
Use Scenario: Projecting navigation cues onto windshield with 10–15,000 nits brightness range and <±0.005 CIE u'v' color point drift. IC Role / Device Role / Timing Role: Illumination controller managing photodiode feedback, DMD mirror voltage regulation, and LED driver synchronization. Use Value: Enables >5000:1 dimming via dual-TIA signal conditioning and 12-bit frame-sequenced ADC - maintains contrast in direct sunlight and nighttime viewing.	Use Scenario: High-resolution instrument cluster with adaptive brightness, color calibration, and thermal derating during prolonged operation. IC Role / Device Role / Timing Role: System manager monitoring die temperature, supply rails, and watchdog status while regulating LED current via RGB_EN FET drivers. Use Value: Dual die temperature monitors (135°C warning, 150°C emergency) and supply brownout detection prevent display flicker or blackouts under thermal stress.
Augmented Reality HUD	Infotainment Windshield Display
Use Scenario: Real-time AR overlay with dynamic content scaling, where brightness must adapt instantly to changing ambient light and vehicle speed. IC Role / Device Role / Timing Role: Closed-loop illumination controller using 12-bit DAC-driven photo feedback and 10-bit IADJ current setpoint adjustment. Use Value: 500 ns DAC settling and hardware over-brightness detection ensure sub-millisecond response to optical faults - avoids perceptible visual artifacts.	Use Scenario: Multi-zone infotainment display with independent brightness zones, requiring simultaneous control of multiple LED strings and color channels. IC Role / Device Role / Timing Role: Power sequencer and illumination hub coordinating ENB_xV enables, S_EN1/S_EN2 shunt control, and R/G/B_EN channel selection. Use Value: Four LED enable strobes (LED_SEL_0–3) and dual shunt drivers allow independent dimming of up to 4 LED groups - supports zonal backlighting without external logic.

Wide Field-of-View HUD

Digital Cluster Display

Use Scenario: Projecting navigation cues onto windshield with 10–15,000 nits brightness range and <±0.005 CIE u'v' color point drift.

IC Role / Device Role / Timing Role: Illumination controller managing photodiode feedback, DMD mirror voltage regulation, and LED driver synchronization.

Use Value: Enables >5000:1 dimming via dual-TIA signal conditioning and 12-bit frame-sequenced ADC - maintains contrast in direct sunlight and nighttime viewing.

Use Scenario: High-resolution instrument cluster with adaptive brightness, color calibration, and thermal derating during prolonged operation.

IC Role / Device Role / Timing Role: System manager monitoring die temperature, supply rails, and watchdog status while regulating LED current via RGB_EN FET drivers.

Use Value: Dual die temperature monitors (135°C warning, 150°C emergency) and supply brownout detection prevent display flicker or blackouts under thermal stress.

Augmented Reality HUD

Infotainment Windshield Display

Use Scenario: Real-time AR overlay with dynamic content scaling, where brightness must adapt instantly to changing ambient light and vehicle speed.

IC Role / Device Role / Timing Role: Closed-loop illumination controller using 12-bit DAC-driven photo feedback and 10-bit IADJ current setpoint adjustment.

Use Value: 500 ns DAC settling and hardware over-brightness detection ensure sub-millisecond response to optical faults - avoids perceptible visual artifacts.

Use Scenario: Multi-zone infotainment display with independent brightness zones, requiring simultaneous control of multiple LED strings and color channels.

IC Role / Device Role / Timing Role: Power sequencer and illumination hub coordinating ENB_xV enables, S_EN1/S_EN2 shunt control, and R/G/B_EN channel selection.

Use Value: Four LED enable strobes (LED_SEL_0–3) and dual shunt drivers allow independent dimming of up to 4 LED groups - supports zonal backlighting without external logic.

Equivalent & Alternatives

The following parts are listed as comparable options for similar system management and illumination control applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
TPS99000S-Q1EVM	Evaluation module with preconfigured firmware, debug headers, and reference layout - not a direct replacement IC	Used for rapid prototyping and optical calibration; lacks production-grade thermal design and AEC-Q100 qualification	Select only for lab validation; not suitable for automotive production deployment
DLPC230S-Q1	DMD display controller companion IC - handles video processing, memory, and SubLVDS interface; no illumination control or TIA/ADC/DAC functions	Manages pixel data pipeline and timing; requires TPS99000S-Q1 for photometric feedback and power management	Must be used alongside TPS99000S-Q1 in DLP553xS-Q1 chipset - complementary, not substitutable

Compared with TPS99000S-Q1, the TPS99000S-Q1EVM serves only evaluation purposes and lacks automotive qualification, while the DLPC230S-Q1 performs video processing but provides zero illumination control capability - neither replaces the TPS99000S-Q1's integrated photodiode signal chain, DMD bias regulation, or system-level monitoring functions.

Availability

TPS99000S-Q1 is available at Aetrix Electronics and suitable for wide field-of-view HUDs, digital clusters, augmented reality displays, and infotainment windshield systems requiring stable component supply, AEC-Q100 compliance, and functional safety documentation support.

Supply support for TPS99000S-Q1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and DLP® technology, with decades of automotive IC experience and ISO/TS 16949-certified manufacturing.

The TPS99000S-Q1 belongs to TI's DLP® automotive system management product line, engineered specifically to meet the stringent optical fidelity, thermal resilience, and functional safety demands of next-generation head-up and digital display systems.

FAQ

What is the primary function of the TPS99000S-Q1 in a DLP automotive display system?

The TPS99000S-Q1 serves as the central illumination and system management controller in DLP-based automotive displays. It manages photodiode feedback via dual TIAs and a 12-bit frame-synchronized ADC, regulates DMD mirror voltages (+16V, +8.5V, –10V), drives LED/shunt FETs, sequences power for the entire chipset, and monitors thermal/supply/watchdog status. In the TPS99000S-Q1, these functions are integrated to enable >5000:1 dimming and ASIL-B–compliant HUD operation.

Does the TPS99000S-Q1 support functional safety certification for automotive applications?

Yes, the TPS99000S-Q1 is qualified to AEC-Q100 Grade 2 (–40°C to 105°C) and documented as Functional Safety Quality-Managed with resources available to support ISO 26262 system-level design up to ASIL-B. This includes failure mode documentation, FIT rate data, and safety analysis reports - all part of the official TPS99000S-Q1 product release. The TPS99000S-Q1 does not achieve ASIL-D, but its architecture and documentation streamline ASIL-B integration in HUD and digital cluster systems.

How many photodiode inputs does the TPS99000S-Q1 support, and what is their signal chain?

The TPS99000S-Q1 supports two independent photodiode inputs: TIA_PD1 and TIA_PD2, each with dedicated ground returns (VSS_TIA1/VSS_TIA2) and external filter capacitors (TIA_PD1_FILT/TIA_PD2_FILT). Each input feeds a transimpedance amplifier with 14 programmable gain settings (0.6–345.6 kV/A), followed by a comparator (COMPOUT) and the shared 12-bit ADC. This dual-path architecture allows simultaneous monitoring of brightness and color channels in HUD systems - a core capability of the TPS99000S-Q1.

What voltage rails does the TPS99000S-Q1 generate for DMD mirror operation?

The TPS99000S-Q1 generates three precision DMD mirror bias rails: DMD_VBIAS (+16V, 1.5 mA), DMD_VOFFSET (+8.5V, 16.3 mA), and DMD_VRESET (–10V, –17.6 mA). Each rail includes power-good signaling with defined rising/falling thresholds (e.g., 86%/66% for VOFFSET) and 260 µs discharge timing when disabled. These outputs are designed exclusively for DMD actuation - connecting external loads violates the TPS99000S-Q1 specification and risks regulation instability.

Can the TPS99000S-Q1 operate without the DLPC23xS-Q1 display controller?

No, the TPS99000S-Q1 is designed as a chipset partner to the DLPC23xS-Q1 DMD display controller and is not intended for standalone operation. Its RESET_Z, INT_Z, and PROJ_ON interfaces are electrically and functionally tied to DLPC23xS-Q1 timing and state machines. While some peripherals (e.g., ADC, DACs, TIAs) could theoretically be accessed via SPI2, the TPS99000S-Q1 lacks internal video processing, memory, or display interface logic - making it dependent on the DLPC23xS-Q1 for full system functionality. The TPS99000S-Q1 requires this co-processor to deliver complete HUD capability.

TPS990STPZPRQ1 Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: -

Package/Case:: 100-TQFP Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Applications:: -

Current - Supply:: -

Voltage - Supply:: 3V ~ 3.6V

Operating Temperature:: -40°C ~ 105°C (TA)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 100-HTQFP (14x14)

TPS990STPZPRQ1 FAQ

1.How can I place an order for TPS990STPZPRQ1 through Aetrix?

Please submit a Request for Quotation (RFQ) for TPS990STPZPRQ1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for TPS990STPZPRQ1 reliable?

The price and inventory of TPS990STPZPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS990STPZPRQ1 is usually 5 days.

3.What payment methods are accepted for TPS990STPZPRQ1?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS990STPZPRQ1 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TPS990STPZPRQ1?

TPS990STPZPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TPS990STPZPRQ1 order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for TPS990STPZPRQ1?

For technical support, including TPS990STPZPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS990STPZPRQ1 requirements.

6.How does Aetrix verify that TPS990STPZPRQ1 is sourced from the original manufacturer or authorized distributors?

All TPS990STPZPRQ1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TPS990STPZPRQ1 meets industry standards.

7.What is the process for return or replacement of TPS990STPZPRQ1?

All TPS990STPZPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS990STPZPRQ1, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The TPS990STPZPRQ1 part is unused and in its original packaging.

Return procedure for TPS990STPZPRQ1:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

Tech Hub

2026-09-03 Logic Level Shifter: How to Connect 3.3V and 5V Logic Safely

A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.

2026-09-03 74HC595 vs TPIC6B595: Output Drive, Pinout, Current, and Load Selection

The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…

2026-09-01 74HC595 Pinout, Timing, Output Current, and Applications

The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…

2026-09-01 Latch vs Flip-Flop: Timing, Differences and Design Choices

A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…

2026-08-30 D Latch Circuit: Truth Table, Timing, ICs and Applications

A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …

2026-08-28 SR Latch Explained: NOR and NAND Circuits, Truth Tables, and Applications

An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…

2026-08-27 Latch Circuit: SR and D Latches, Truth Tables, Timing, and Applications

Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…