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Texas Instruments TPS659119AIPFPRQ1
- Part No.:
- TPS659119AIPFPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 80-TQFP Exposed Pad
- Datasheet:
-
TPS659119AIPFPRQ1.pdf
- Description:
- IC PMU W/DCDC CTRLR 80HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,879
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Product details
Overview
TPS659119AIPFPRQ1 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: 50–320 mA), RTC with 16.384-MHz crystal oscillator, EEPROM-programmable power controller, watchdog, thermal monitoring, and nine GPIOs - designed for infotainment and ADAS processor power sequencing.
For engineers reviewing the TPS659119AIPFPRQ1 datasheet, TPS659119AIPFPRQ1 pinout, TPS659119AIPFPRQ1 application, or TPS659119AIPFPRQ1 equivalent, key selection considerations include dynamic voltage scaling support for dual-core processors, I²C-controlled LDO/SMPS regulation, programmable boot sequence via embedded EEPROM, and integrated RTC with alarm and calendar functions in a single HTQFP-80 package.
Technical Context
The TPS659119AIPFPRQ1 implements a state-machine-based embedded power controller (EPC) with EEPROM-programmable sequencing logic, enabling customizable power-up/down sequences across its three SMPS and eight LDOs. It supports dynamic voltage scaling for VDD1 and VDD2 via dedicated high-speed I²C interfaces (EN1/EN2), while EXTCTRL provides analog feedback control (1–3.7 V/V, 65-step) for an external DC-DC converter.
Its real-time clock subsystem includes a fast-start 16.384-MHz crystal oscillator, selectable 32-kHz clock sources (crystal, external, or internal RC), date/time/calendar registers, and alarm functionality. Thermal shutdown activates at 150°C junction temperature, and hot-die detection triggers system-level alerts before shutdown.
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 precise core voltage control for dual-application processors. |
| VIO SMPS | 1.5 A output, fixed 1.5/1.8/2.5/3.3 V options - supplies I/O and memory rails with low-noise switching regulation. |
| LDO outputs | Eight LDOs: LDO1/LDO2 (320 mA), LDO3/LDO4 (200/50 mA), LDO5–LDO8/VRTC (300/300/300/300 mA) - configurable for peripheral, sensor, and backup domain power. |
| RTC oscillator | 16.384-MHz crystal-based, with 32-kHz CLK32KOUT and alarm/calendar/date/time registers - maintains timekeeping during system sleep with VRTC backup. |
| I²C interface | High-speed CTL-I²C + dedicated SR-I²C for VDD1/VDD2 scaling - supports register access, voltage updates, and interrupt-driven status reporting. |
| GPIOs | Nine configurable GPIOs: four programmable as enable signals in power sequence, two with 10-mA LED sink, two for DC-DC sync - enables flexible system resource control without external logic. |
| Thermal protection | Junction shutdown at 150°C; hot-die detection at 125°C - provides early warning and failsafe shutdown for automotive thermal safety compliance. |
Pinout & Package
TPS659119AIPFPRQ1 is housed in an HTQFP-80 package (12.00 mm × 12.00 mm) with exposed thermal pad for enhanced thermal dissipation in automotive under-hood environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1/VDD2/VIO | SMPS input supplies | Accept 4–5.5 V input for respective buck converters; require local 10-µF X5R/X7R input capacitors. |
| SW1/SW2/SWIO | Switch-node outputs | Drive external 2.2-µH inductors; must be routed with low-inductance paths to minimize EMI and switching losses. |
| VFB1/VFB2/VFBIO | Feedback inputs | Monitor regulated output voltage via resistor dividers; support dynamic scaling via I²C-adjusted reference. |
| LDO1–LDO8/VRTC | Regulated outputs | Deliver stable low-noise power; each requires 0.8–2.64 µF output capacitor depending on voltage and load. |
| SDA_SDI/SCL_SCK | I²C bidirectional interface | Support CTL-I²C (general control) and SR-I²C (VDD1/VDD2 scaling); require external 1.2-kΩ pullups to VDDIO. |
| EN1/EN2 | Dedicated enable/control | Enable VDD1/VDD2 SMPS and initiate dynamic voltage scaling sequences via I²C-triggered state transitions. |
| OSC16MIN/OSC16MOUT | Crystal oscillator terminals | Connect 16.384-MHz fundamental-mode crystal; internal load capacitance optimized for standard 12-pF crystals. |
| GPIO0–GPIO8 | Configurable digital I/O | Nine pins support push-pull/OD modes; four are integrated into EEPROM-programmed power-up sequence as enable outputs. |
Key Features
| Feature | Design Value |
|---|---|
| EEPROM-programmable power controller | Full boot/shutdown sequence, voltage ramp rates, and fault response defined in nonvolatile memory - eliminates external sequencer IC and firmware dependency. |
| Dual-core dynamic voltage scaling | Independent I²C-controlled VDD1/VDD2 regulation with 12.5-mV resolution - reduces processor active power by up to 40% versus fixed-voltage operation. |
| Integrated RTC with calendar/alarm | Hardware-accelerated date/time/calendar with alarm interrupt; retains state during VRTC backup - enables wake-on-alarm and timestamped logging without host CPU involvement. |
| Thermal monitoring with hot-die detection | On-die temperature sensor reports die temperature via I²C; triggers NRESPWRON reset at 125°C and shutdown at 150°C - meets ISO 26262 ASIL-B thermal safety requirements. |
| External DC-DC converter control (EXTCTRL) | Analog feedback interface (1–3.7 V/V, 65-step gain) with EN output - allows coordinated scaling of high-current external rails (e.g., GPU or radar supply) alongside internal regulators. |
Applications
| Infotainment Head Unit | ADAS Camera Module |
|---|---|
|
Use Scenario: Powering SoC, display interface, audio codec, and USB peripherals in a 12-V automotive head unit. IC Role / Device Role / Timing Role: Central PMIC managing sequential startup of application processor cores (VDD1/VDD2), I/O rail (VIO), and peripheral LDOs (LDO1–LDO8), synchronized with RTC alarm wake-up. Use Value: Reduces BOM count by replacing six discrete regulators and a sequencer; EEPROM-programmed timing ensures repeatable, glitch-free boot across temperature (-40°C to +85°C). |
Use Scenario: Supplying image signal processor (ISP), MIPI CSI-2 transceiver, and CMOS image sensor in forward-facing ADAS camera. IC Role / Device Role / Timing Role: Delivers tightly regulated 1.1 V (VDD1), 1.2 V (VDD2), 1.8 V (VIO), and 2.8 V (LDO5) with <±1% accuracy; GPIO2 synchronizes DC-DC switching to MIPI clock to suppress EMI in video band. Use Value: Enables sub-100-ns timing margin compliance for MIPI D-PHY; thermal shutdown prevents sensor overheating during extended night-vision operation. |
| Instrument Cluster Display | Radar Processing Unit |
|
Use Scenario: Powering TFT-LCD controller, graphics accelerator, and CAN transceiver in digital instrument cluster with HUD overlay. IC Role / Device Role / Timing Role: Generates 3.3 V (VIO), 1.8 V (LDO2), 5.0 V (LDO6), and 3.0 V (LDO7); uses CLK32KOUT for LCD frame timing and GPIO1/GPIO3 to drive backlight PWM. Use Value: Eliminates need for external 32-kHz oscillator and backlight driver; integrated LED pulse generators reduce MCU GPIO usage and improve dimming linearity. |
Use Scenario: Powering 77-GHz radar SoC, RF front-end bias, and ADC reference in long-range automotive radar ECU. IC Role / Device Role / Timing Role: Supplies ultra-low-noise 1.0 V (VDD1), 1.2 V (VDD2), and 2.5 V (LDO3) with <10 µV RMS ripple; VRTC powers real-time FFT trigger and timestamping logic. Use Value: Meets radar spectral purity requirements via LDO PSRR > 65 dB at 1 MHz; EEPROM-stored calibration data survives power cycling for consistent range accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive power-management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS659121AIPFPRQ1 | Same HTQFP-80 footprint; adds fourth SMPS (1.5 A), removes RTC, increases LDO count to 10; no EEPROM programming - relies on external MCU for sequencing. | Better suited for multi-rail systems requiring >3 SMPS but no RTC; lacks hardware alarm/calendar and VRTC backup capability. | Select when higher SMPS count is critical and RTC functionality is handled externally; verify PCB layout compatibility for identical pinout except RTC-related pins. |
| MAX20029ATG/V+T | 3 SMPS (2×1.2 A, 1×2.5 A), 6 LDOs, no RTC, no EEPROM, SPI-only interface; AEC-Q100 Grade 2 (–40°C to +105°C) with integrated FETs. | Targeted at higher-temperature engine-bay applications; lacks GPIO flexibility, I²C, and programmable sequencing - requires host MCU coordination. | Choose for under-hood placement where ambient exceeds 85°C; accept trade-off of reduced integration and loss of autonomous power control. |
Compared with TPS659119AIPFPRQ1, TPS659121AIPFPRQ1 offers expanded SMPS capacity but sacrifices RTC autonomy and EEPROM configurability, while MAX20029ATG/V+T trades integration and interface flexibility for higher ambient temperature rating and integrated power FETs - making each suitable for distinct automotive subsystem thermal and control architecture constraints.
Availability
TPS659119AIPFPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, and digital instrument clusters requiring stable component supply, AEC-Q100 compliance, and long-term lifecycle support.
Supply support for TPS659119AIPFPRQ1 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 power management technologies, with deep expertise in automotive-grade reliability and functional safety.
The TPS659119AIPFPRQ1 belongs to TI's automotive PMIC product line, engineered specifically for infotainment and ADAS systems requiring high integration, EEPROM-programmable sequencing, and robust thermal/safety features compliant with ISO 26262.
FAQ
What automotive qualification level does the TPS659119AIPFPRQ1 meet?
The TPS659119AIPFPRQ1 is AEC-Q100 qualified for Grade 3 operation, supporting ambient temperatures from –40°C to +85°C. It achieves HBM ESD classification Level 2 (±2 kV) and CDM Level C4B (±500 V on corner pins, ±750 V on standard pins), meeting stringent automotive reliability standards required for infotainment and ADAS ECUs.
How does the TPS659119AIPFPRQ1 support dynamic voltage scaling for processor cores?
The TPS659119AIPFPRQ1 supports dynamic voltage scaling for VDD1 and VDD2 through dedicated high-speed I²C interfaces (EN1 and EN2). Each SMPS accepts 12.5-mV step adjustments from 0.6 V to 1.5 V, enabling real-time voltage optimization based on processor workload - implemented entirely within the device's EEPROM-programmable state machine without host MCU intervention.
Can the TPS659119AIPFPRQ1 operate without an external crystal?
Yes - the TPS659119AIPFPRQ1 RTC supports three clock sources: the internal 16.384-MHz crystal oscillator (requires external crystal on OSC16MIN/OSC16MOUT), an external 32-kHz clock on OSCEXT32K, or an internal 32-kHz RC oscillator. If no crystal is used, the RC oscillator provides lower-accuracy timekeeping (±500 ppm) but enables basic RTC functionality without external components.
What is the role of the EXTCTRL interface on the TPS659119AIPFPRQ1?
The EXTCTRL interface on the TPS659119AIPFPRQ1 provides analog feedback control for an external DC-DC converter, accepting a 1–3.7 V/V gain range in 65 discrete steps. Its VSENSE output and EN signal allow the TPS659119AIPFPRQ1 to coordinate voltage scaling and sequencing of high-current external rails - such as radar MMIC supplies - alongside its internal regulators.
How many GPIOs does the TPS659119AIPFPRQ1 provide, and what are their key capabilities?
The TPS659119AIPFPRQ1 provides nine GPIOs (GPIO0–GPIO8), four of which are programmable as enable outputs integrated into the EEPROM-defined power-up sequence. Two (GPIO1 and GPIO3) support 10-mA LED sink current for backlight or status indication, and two (GPIO2 and GPIO6) can synchronize external DC-DC switching to suppress EMI - all configurable via I²C without external logic.
TPS659119AIPFPRQ1 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)
TPS659119AIPFPRQ1 FAQ
1.How can I place an order for TPS659119AIPFPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS659119AIPFPRQ1 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 TPS659119AIPFPRQ1 reliable?
The price and inventory of TPS659119AIPFPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS659119AIPFPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS659119AIPFPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS659119AIPFPRQ1 transactions.
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4.How is shipping managed for TPS659119AIPFPRQ1?
TPS659119AIPFPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS659119AIPFPRQ1 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 TPS659119AIPFPRQ1?
For technical support, including TPS659119AIPFPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS659119AIPFPRQ1 requirements.
6.How does Aetrix verify that TPS659119AIPFPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS659119AIPFPRQ1 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 TPS659119AIPFPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS659119AIPFPRQ1?
All TPS659119AIPFPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS659119AIPFPRQ1, 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 TPS659119AIPFPRQ1 part is unused and in its original packaging.
Return procedure for TPS659119AIPFPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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