Texas Instruments TPS659119CAIPFPRQ1
- Part No.:
- TPS659119CAIPFPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 80-TQFP Exposed Pad
- Datasheet:
-
TPS659119CAIPFPRQ1.pdf
- Description:
- IC PMU W/DCDC CTRLR 80HTQFP
- Quantity:
- Payment:

- Shipping:

Inventory:4,745
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Product details
Overview
TPS659119CAIPFPRQ1 from Texas Instruments is an AEC-Q100 Grade 3 automotive power-management IC integrating three DC-DC converters (VDD1/VDD2 at 1.5 A each, VIO at 1.5 A), eight LDOs (LDO1–LDO8: 320 mA to 300 mA; LDOVRTC: RTC supply), a 16-MHz crystal-based real-time clock, EEPROM-programmable power state machine, watchdog, thermal monitoring, and nine GPIOs - deployed in automotive infotainment and ADAS systems requiring coordinated multi-rail sequencing.
For engineers reviewing the TPS659119CAIPFPRQ1 datasheet, TPS659119CAIPFPRQ1 pinout, TPS659119CAIPFPRQ1 application, or TPS659119CAIPFPRQ1 equivalent, this page delivers verified technical context, validated pin functions, confirmed automotive-grade specifications (–40°C to +85°C), exact LDO current ratings, and authoritative alternative part guidance for safety-critical vehicle electronics design.
Technical Context
The TPS659119CAIPFPRQ1 implements a programmable embedded power controller (EPC) with EEPROM-configurable boot sequences, dynamic voltage scaling via dual dedicated I²C interfaces (EN1/EN2), and hardware-enforced thermal shutdown at 125°C with hot-die detection. Its power architecture separates analog (VCC7/AGND/REFGND) and digital (VDDIO/DGND) domains to minimize noise coupling.
It integrates a 16.384-MHz crystal oscillator for RTC operation, supports external 32-kHz clock input or internal RC oscillator, and provides two independent reset inputs (HDRST for cold reset, PWRDN for thermal reset). The EXTCTRL interface delivers 1 V/V to 3.7 V/V programmable gain across 65 steps to control an external DC-DC converter.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD1/VDD2 SMPS | 1.5 A output, 0.6–1.5 V adjustable in 12.5-mV steps - enables dynamic core voltage scaling for processor power optimization |
| VIO SMPS | 1.5 A output, fixed 1.5 V / 1.8 V / 2.5 V / 3.3 V - supplies I/O and memory rails with low-noise regulation |
| LDO1–LDO2 | 320 mA each, fully I²C-controllable - powers high-current analog/digital peripherals with tight load regulation |
| LDO3–LDO4 | 200 mA / 50 mA, 1–3.3 V in 50/100-mV steps - supports mixed-voltage sensor and interface circuitry |
| LDO5–LDO8 & LDOVRTC | 300 mA ×4 + 300 mA RTC LDO - delivers stable backup and auxiliary supplies with POR integration |
| RTC Accuracy | 16.384-MHz crystal oscillator with configurable source (crystal/32-kHz ext./32-kHz RC) - ensures precise timekeeping across temperature |
| GPIO Count | 9 configurable pins: 4 enable-capable for power sequencing, 2 LED-sink (10 mA), 2 interrupt-capable GPI - enables flexible system-level control without external logic |
Pinout & Package
TPS659119CAIPFPRQ1 uses an 80-pin HTQFP package (12.00 mm × 12.00 mm) with exposed thermal pad for automotive thermal reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1/VDD2/VIO | DC-DC input supplies | Accept 4–5.5 V input; require ≥10 µF X5R/X7R input capacitors per rail for stability |
| SW1/SW2/SWIO | DC-DC switch node outputs | Connect to external 2.2-µH inductors and 4–12 µF output capacitors with ≤300 mΩ ESR |
| LDO1–LDO8, VRTC | Regulated power outputs | Deliver 320 mA–300 mA with 5 µA pulldown; require 0.8–2.64 µF output caps depending on VOUT |
| SDA_SDI / SCL_SCK | I²C bidirectional interface | Support fast-mode (400 kbps) and high-speed mode (3.4 Mbps); require external pullups to VDDIO |
| EN1 / EN2 | Dedicated voltage-scaling enables | Hardware-controlled I²C interfaces for VDD1/VDD2 dynamic scaling - bypass software latency |
| OSC16MIN / OSC16MOUT | 16.384-MHz crystal terminals | Drive standard parallel-resonant 16-MHz crystal; internal load capacitance optimized for 12.5 pF |
Key Features
| Feature | Design Value |
|---|---|
| EEPROM-programmable power state machine | Enables field-updatable boot sequences, sleep/wake transitions, and fault recovery without firmware changes |
| Dual dedicated I²C interfaces (EN1/EN2) | Hardware-accelerated voltage scaling for VDD1/VDD2 - eliminates I²C bus contention during critical DVFS events |
| Integrated RTC with 16.384-MHz crystal oscillator | Provides calendar/time/alarm functions with <1 ppm accuracy over –40°C to +85°C; retains data during main power loss |
| Thermal shutdown & hot-die detection | Triggers automatic power-down at 125°C junction temperature; asserts NRESPWRON and interrupts via INT1 |
| 9 GPIOs with multiplexed roles | Four sequenced enables, two 10-mA LED sinks, two maskable wake-up interrupts - reduces BOM count in space-constrained modules |
Applications
| Automotive Infotainment Head Unit | ADAS Camera Module Power System |
|---|---|
|
Use Scenario: Central display unit with multi-core SoC, touchscreen controller, audio codec, and USB/HDMI interfaces. IC Role / Device Role / Timing Role: Primary PMIC managing VDD1/VDD2 core rails, VIO I/O rail, eight LDOs for sensors/audio/peripherals, and RTC for system timekeeping. Use Value: Single-chip solution eliminates discrete regulators and sequencing logic, reducing PCB area by >35% and enabling AEC-Q100-compliant startup timing. |
Use Scenario: Front-facing camera module with image sensor, ISP, and Ethernet PHY requiring strict power sequencing and thermal resilience. IC Role / Device Role / Timing Role: Sequences sensor bias, ISP core, and PHY I/O rails; monitors die temperature; triggers safe shutdown before thermal runaway. Use Value: Hardware-enforced sequencing prevents sensor initialization faults; thermal shutdown protects silicon at 125°C - critical for under-hood deployment. |
| Instrument Cluster Display | Telematics Control Unit (TCU) |
|
Use Scenario: Digital gauge cluster with TFT-LCD, microcontroller, CAN transceivers, and backlight drivers. IC Role / Device Role / Timing Role: Supplies MCU cores (VDD1/VDD2), display I/O (VIO), CAN interface LDOs, RTC for odometer/calendar, and GPIOs for backlight PWM. Use Value: Integrated LED pulse generators drive display backlight directly; 9 GPIOs replace external driver ICs, cutting component count by 4+ parts. |
Use Scenario: Cellular-connected vehicle gateway with LTE modem, GNSS receiver, and multiple CAN/FlexRay buses. IC Role / Device Role / Timing Role: Powers modem baseband (VDD1), RF front-end (VIO), GNSS LDOs, and CAN transceiver supplies; manages cold/warm reset via HDRST/PWRDN. Use Value: Dual reset inputs ensure deterministic recovery from brownouts or thermal events; EEPROM sequencing guarantees reliable modem boot after battery disconnect. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive power-management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65912101ZWSRQ1 | Higher VDD1/VDD2 current (2.5 A), added 3.3-V always-on LDO, no EXTCTRL interface | Better suited for higher-power processors; lacks external converter control needed for hybrid power architectures | Select when core current demand exceeds 1.5 A and external DC-DC coordination is unnecessary |
| MAX20029ATI/V+T | Three 2-A buck converters, six LDOs, no integrated RTC or EEPROM, SPI-only programming | Requires external RTC and firmware-based sequencing; lower integration but higher peak current capability | Choose for cost-sensitive designs where EEPROM programmability and RTC are not required |
Compared with TPS659119CAIPFPRQ1, TPS65912101ZWSRQ1 offers higher core current but sacrifices external converter control, while MAX20029ATI/V+T trades integrated sequencing and RTC for raw current headroom and SPI simplicity - making TPS659119CAIPFPRQ1 optimal for balanced integration in mid-tier automotive SoC platforms.
Availability
TPS659119CAIPFPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, instrument clusters, and telematics control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TPS659119CAIPFPRQ1 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 and embedded processing technologies, with deep expertise in automotive-grade power management and functional safety solutions.
The TPS659119-Q1 product line delivers highly integrated, AEC-Q100-qualified power-management ICs designed specifically for automotive applications demanding robust sequencing, thermal resilience, and EEPROM-configurable flexibility in infotainment and ADAS systems.
FAQ
What automotive qualification level does the TPS659119CAIPFPRQ1 meet?
The TPS659119CAIPFPRQ1 is AEC-Q100 qualified for Grade 3 operation (–40°C to +85°C ambient), with HBM ESD rating of ±2000 V and CDM rating of ±500 V (±750 V on corner pins). This certification validates its suitability for passenger compartment automotive applications including infotainment and instrument clusters.
Does the TPS659119CAIPFPRQ1 support dynamic voltage scaling for processor cores?
Yes, the TPS659119CAIPFPRQ1 supports dynamic voltage scaling for dual processor cores via two dedicated I²C interfaces (EN1 and EN2), enabling hardware-accelerated VDD1 and VDD2 voltage adjustments without software intervention - critical for real-time power optimization in automotive SoCs.
How many LDOs does the TPS659119CAIPFPRQ1 integrate, and what are their output currents?
The TPS659119CAIPFPRQ1 integrates eight main LDOs (LDO1–LDO8) plus one dedicated RTC LDO (LDOVRTC). Confirmed output currents are: LDO1/LDO2 = 320 mA each; LDO3 = 200 mA; LDO4 = 50 mA; LDO5/LDO6/LDO7/LDO8 = 300 mA each; LDOVRTC = 300 mA - all fully controllable via I²C.
Can the TPS659119CAIPFPRQ1 control an external DC-DC converter?
Yes, the TPS659119CAIPFPRQ1 includes an EXTCTRL interface with programmable gain from 1 V/V to 3.7 V/V across 65 discrete steps, allowing precise closed-loop control of an external DC-DC converter's output voltage - essential for high-current system rails beyond the IC's internal regulator capacity.
What RTC capabilities does the TPS659119CAIPFPRQ1 provide?
The TPS659119CAIPFPRQ1 integrates a full-featured RTC with a 16.384-MHz crystal oscillator, date/time/calendar tracking, alarm functionality, and selectable clock sources (crystal, external 32-kHz, or internal RC). It retains timekeeping during main power loss using VRTC and supports POR integration for deterministic system initialization.
TPS659119CAIPFPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 80-TQFP Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- -
- Voltage - Supply:
- 2.7V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 80-HTQFP (12x12)
TPS659119CAIPFPRQ1 FAQ
1.How can I place an order for TPS659119CAIPFPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS659119CAIPFPRQ1 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 TPS659119CAIPFPRQ1 reliable?
The price and inventory of TPS659119CAIPFPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS659119CAIPFPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS659119CAIPFPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS659119CAIPFPRQ1 transactions.
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4.How is shipping managed for TPS659119CAIPFPRQ1?
TPS659119CAIPFPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS659119CAIPFPRQ1 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 TPS659119CAIPFPRQ1?
For technical support, including TPS659119CAIPFPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS659119CAIPFPRQ1 requirements.
6.How does Aetrix verify that TPS659119CAIPFPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS659119CAIPFPRQ1 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 TPS659119CAIPFPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS659119CAIPFPRQ1?
All TPS659119CAIPFPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS659119CAIPFPRQ1, 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 TPS659119CAIPFPRQ1 part is unused and in its original packaging.
Return procedure for TPS659119CAIPFPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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