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Texas Instruments TPS659119EAIPFPRQ1
- Part No.:
- TPS659119EAIPFPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 80-TQFP Exposed Pad
- Datasheet:
-
TPS659119EAIPFPRQ1.pdf
- Description:
- IC PMU W/DCDC CTRLR 80HTQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,706
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Product details
Overview
TPS659119EAIPFPRQ1 from Texas Instruments is an AEC-Q100 Grade 3 automotive power-management IC integrating three DC-DC converters (VDD1/VDD2 @ 1.5 A each, VIO @ 1.5 A), eight LDOs (LDO1–LDO8 @ 300–320 mA, LDOVRTC @ RTC supply), a 16.384-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 TPS659119EAIPFPRQ1 datasheet, TPS659119EAIPFPRQ1 pinout, TPS659119EAIPFPRQ1 application, or TPS659119EAIPFPRQ1 equivalent, key selection considerations include dynamic voltage scaling support for dual-core processors, I²C-controlled LDO/SMPS output programming (12.5-mV steps for VDD1/VDD2), EXTCTRL interface for external converter control, RTC with alarm/calendar, and thermal shutdown with hot-die detection.
Technical Context
The TPS659119EAIPFPRQ1 implements a fully programmable embedded power controller (EPC) with EEPROM-stored boot sequences and state-machine-driven power-up/down transitions, enabling deterministic sequencing across 12+ regulated rails. Its dual-core SMPS (VDD1/VDD2) support independent I²C voltage scaling via dedicated EN1/EN2 interfaces, while the VIO converter delivers fixed 1.5-V/1.8-V/2.5-V/3.3-V outputs at 1.5 A.
Real-time clock functionality integrates a low-jitter 16.384-MHz crystal oscillator, selectable 32-kHz clock source (crystal/external/RC), calendar/date/time registers, and alarm interrupt - all powered by the dedicated VRTC LDO. The device includes two I²C interfaces (CTL-I²C and SR-I²C), eight programmable GPIOs with LED sink capability (GPIO1/GPIO3), and hardware reset inputs (HDRST, PWRDN) for cold and thermal-initiated recovery.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDD1/VDD2 SMPS | 1.5 A output, 0.6–1.5 V range, 12.5-mV step - enables precise DVFS for ARM Cortex-A cores |
| VIO SMPS | 1.5 A output, fixed 1.5/1.8/2.5/3.3 V options - powers SoC I/O banks and memory interfaces |
| LDO1–LDO8 | 300–320 mA max output (LDO1/LDO2/LDO5–LDO8), 200 mA (LDO3), 50 mA (LDO4) - supplies analog, digital, and peripheral rails |
| EXTCTRL Interface | 1× to 3.7× programmable gain (65 steps), supports external high-current DC-DC control via resistive feedback divider |
| RTC Oscillator | 16.384-MHz crystal-based, fast-startup design with calendar, alarm, and 32-kHz CLK32KOUT - maintains time during system sleep |
| GPIO Resources | 9 configurable pins: 4 enable-capable for power sequencing, 2 × 10-mA LED sinks (GPIO1/GPIO3), 1 × clock sync (GPIO2) |
| Thermal Protection | Hot-die detection + thermal shutdown - triggers automatic system safe-off above 125°C junction temperature |
| AEC-Q100 Grade | Grade 3 (–40°C to +85°C ambient), HBM ±2 kV, CDM ±500 V - qualified for under-hood and cabin automotive use |
Pinout & Package
TPS659119EAIPFPRQ1 uses an 80-pin HTQFP package (12.00 mm × 12.00 mm, 0.5-mm pitch) with exposed thermal pad for enhanced thermal dissipation in automotive environments.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD1/VDD2/VIO SWx | Switch-node outputs | Drive external inductors for buck conversion; require low-ESR ceramic output capacitors (4–12 µF) |
| VFB1/VFB2/VFBIO | Feedback inputs | Monitor regulated output voltage; connect to resistor dividers for adjustable SMPS setpoints |
| SDA_SDI / SCL_SCK | I²C bidirectional interface | Supports CTL-I²C (general control) and SR-I²C (VDD1/VDD2 scaling); require external 1.2-kΩ pullups to VDDIO |
| EN1 / EN2 | Dedicated enable/control signals | Hardware-triggered voltage scaling for VDD1/VDD2; also serve as I²C clock/data lines when multiplexed |
| OSC16MIN / OSC16MOUT | Crystal oscillator terminals | Connect 16.384-MHz fundamental-mode crystal; internal load capacitance optimized for 12 pF |
| GPIO1 / GPIO3 | Open-drain LED drivers | 10-mA sink capability per pin - directly drive status LEDs without external transistors |
| NRESPWRON / NRESPWRON2 | Active-low reset outputs | Assert during power-off sequence; require external pullup for proper logic level in ACTIVE/SLEEP states |
| PWRDN / HDRST | Reset inputs | PWRDN accepts thermal reset signal; HDRST initiates cold reset - both are asynchronous to power domains |
Key Features
| Feature | Design Value |
|---|---|
| EEPROM-programmable power state machine | Stores boot sequence, rail dependencies, timing delays, and fault-handling policies - eliminates external firmware dependency |
| Dual independent I²C interfaces | CTL-I²C handles general register access; SR-I²C provides dedicated, low-latency control of VDD1/VDD2 voltage scaling |
| RTC with calendar/alarm | Maintains date/time across power cycles using VRTC LDO and backup domain; supports wake-on-alarm from SLEEP state |
| Thermal monitoring with hot-die detection | On-die temperature sensor triggers interrupt before shutdown - enables proactive thermal throttling in ADAS ECUs |
| Configurable GPIOs with sequencing integration | Four GPIOs embed into power-up sequence as controlled enables; two support 10-mA LED sink for system status indication |
| External converter control (EXTCTRL) | 65-step programmable gain amplifier drives external DC-DC feedback node - extends total system current capacity beyond on-chip limits |
Applications
| Infotainment Head Unit | ADAS Camera ECU |
|---|---|
|
Use Scenario: Powering multi-core application processor, display interface, audio codec, and connectivity modules (Wi-Fi/BT) in a vehicle head unit. IC Role / Device Role: Central power sequencer managing 12+ rails including dual-core DVFS, I/O, memory, RTC, and peripheral LDOs. Use Value: Reduces BOM count by consolidating discrete regulators and eliminates need for external microcontroller-based sequencing logic. |
Use Scenario: Supplying image sensor, ISP, and safety-critical microcontroller in forward-facing camera module with ASIL-B requirements. IC Role / Device Role: Provides fault-tolerant, thermally monitored power with watchdog-triggered reset and RTC timestamping for event logging. Use Value: Enables deterministic power-up within 100 ms and supports fail-safe shutdown on thermal violation - meeting ISO 26262 timing constraints. |
| Instrument Cluster Display | Telematics Control Unit (TCU) |
|
Use Scenario: Driving TFT-LCD, touch controller, and CAN/FlexRay communication interfaces in digital dashboard with always-on RTC. IC Role / Device Role: Delivers stable 3.3-V/1.8-V rails for display driver and microcontroller; manages low-power SLEEP mode with wake-on-GPIO. Use Value: Maintains RTC time and retains configuration during ignition-off; GPIO wakeup reduces system standby current to <5 µA. |
Use Scenario: Powering LTE modem, GNSS receiver, and secure MCU in cellular-connected vehicle gateway with over-the-air update capability. IC Role / Device Role: Sequences high-current modem rails (via EXTCTRL), isolates sensitive GNSS LDOs, and logs thermal events to EEPROM. Use Value: Supports field-upgradable power profiles via I²C; thermal event logging aids root-cause analysis during network disconnect diagnostics. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive power-management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS659121A0RSLRQ1 | Same 80-pin HTQFP package; adds fourth SMPS (VDD3), removes RTC, reduces LDO count to six | Better suited for non-RTC applications requiring higher core current (e.g., radar SoCs), but lacks calendar/alarm functionality | Select when RTC is unnecessary and additional 1.5-A SMPS rail is required for RF or DSP subsystems |
| MAX20029ATI/V+T | 3-channel buck + 8-channel LDO; no EEPROM, no RTC, no GPIOs; AEC-Q100 Grade 2 (–40°C to +105°C) | Targeted at cost-sensitive body electronics; lacks programmable sequencing, thermal monitoring, and LED drivers | Choose for simpler, fixed-sequence applications where EEPROM configurability and advanced features are not needed |
Compared with TPS659119EAIPFPRQ1, TPS659121A0RSLRQ1 offers expanded SMPS capability at the expense of RTC and GPIO flexibility, while MAX20029ATI/V+T provides basic multi-rail regulation without programmability or intelligent power control - making TPS659119EAIPFPRQ1 optimal for feature-rich infotainment and ADAS platforms requiring full sequencing autonomy.
Availability
TPS659119EAIPFPRQ1 is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera ECUs, instrument cluster displays, and telematics control units requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for TPS659119EAIPFPRQ1 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 automotive ICs, with decades of experience delivering AEC-Q100-qualified power solutions for safety-critical vehicle systems.
The TPS659119-Q1 product line was designed specifically for automotive applications processors requiring tightly coordinated, EEPROM-configurable multi-rail power delivery, dynamic voltage scaling, and integrated real-time clock functionality - targeting infotainment, ADAS, and digital cockpit platforms.
FAQ
What is the operating temperature range for the TPS659119EAIPFPRQ1?
The TPS659119EAIPFPRQ1 is qualified to AEC-Q100 Grade 3 specifications, supporting continuous operation from –40°C to +85°C ambient temperature. This range covers most cabin-mounted automotive electronics including infotainment head units and instrument clusters, and its thermal shutdown circuit activates above 125°C junction temperature to prevent damage.
Does the TPS659119EAIPFPRQ1 support dynamic voltage scaling for processor cores?
Yes, the TPS659119EAIPFPRQ1 supports dynamic voltage scaling for dual-core processors via its VDD1 and VDD2 SMPS outputs. Each delivers 1.5 A at 0.6–1.5 V with 12.5-mV resolution and is controlled through dedicated I²C interfaces (EN1/EN2), enabling real-time voltage adjustment during CPU load changes to optimize power efficiency in the TPS659119EAIPFPRQ1.
How does the RTC function operate during system power-down?
The RTC in the TPS659119EAIPFPRQ1 remains active during system sleep or power-off states using the dedicated VRTC LDO and backup domain. It maintains calendar, time, and alarm registers powered from VCC7, and supports wake-on-alarm interrupts - ensuring accurate timekeeping and event-triggered resume without external RTC ICs in the TPS659119EAIPFPRQ1.
Can the TPS659119EAIPFPRQ1 control an external DC-DC converter?
Yes, the TPS659119EAIPFPRQ1 includes an EXTCTRL interface with 65-step programmable gain (1× to 3.7×) that drives the feedback node of an external DC-DC converter. This allows coordinated voltage scaling and sequencing of high-current rails beyond the on-chip SMPS limits, extending system power capability while maintaining centralized control in the TPS659119EAIPFPRQ1.
What GPIO capabilities does the TPS659119EAIPFPRQ1 provide?
The TPS659119EAIPFPRQ1 integrates nine configurable GPIOs: four support enable functions embedded in the power-up sequence, two (GPIO1/GPIO3) provide 10-mA open-drain LED sink capability, one (GPIO2) supports DC-DC clock synchronization, and all support maskable interrupt generation for wake-up - delivering flexible system-level control without additional logic in the TPS659119EAIPFPRQ1.
TPS659119EAIPFPRQ1 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)
TPS659119EAIPFPRQ1 FAQ
1.How can I place an order for TPS659119EAIPFPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS659119EAIPFPRQ1 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 TPS659119EAIPFPRQ1 reliable?
The price and inventory of TPS659119EAIPFPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS659119EAIPFPRQ1 is usually 5 days.
3.What payment methods are accepted for TPS659119EAIPFPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS659119EAIPFPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS659119EAIPFPRQ1?
TPS659119EAIPFPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS659119EAIPFPRQ1 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 TPS659119EAIPFPRQ1?
For technical support, including TPS659119EAIPFPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS659119EAIPFPRQ1 requirements.
6.How does Aetrix verify that TPS659119EAIPFPRQ1 is sourced from the original manufacturer or authorized distributors?
All TPS659119EAIPFPRQ1 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 TPS659119EAIPFPRQ1 meets industry standards.
7.What is the process for return or replacement of TPS659119EAIPFPRQ1?
All TPS659119EAIPFPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS659119EAIPFPRQ1, 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 TPS659119EAIPFPRQ1 part is unused and in its original packaging.
Return procedure for TPS659119EAIPFPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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