Texas Instruments TPS65053IRGERQ1
- Part No.:
- TPS65053IRGERQ1
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 24-VFQFN Exposed Pad
- Datasheet:
-
TPS65053IRGERQ1.pdf
- Description:
- TPS65053-Q1 AUTOMOTIVE 1.5V TO 6
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
TPS65053IRGERQ1 from Texas Instruments is an AEC-Q100 Grade 3 automotive-qualified 5-channel power management IC (PMIC) integrating two synchronous step-down converters (DCDC1: 1 A, DCDC2: 0.6 A) and three low-input-voltage LDOs (LDO1: 400 mA, LDO2/LDO3: 200 mA each, with VLDO3 fixed at 1.3 V), operating from a single Li-ion cell (2.5–6 V input). It delivers up to 95% efficiency at 2.25 MHz fixed switching frequency and supports dynamic voltage positioning for processor core/I/O rail stabilization in GPS modules and satellite radio.
For engineers reviewing the TPS65053IRGERQ1 datasheet, TPS65053IRGERQ1 pinout, TPS65053IRGERQ1 application, or TPS65053IRGERQ1 equivalent, key selection criteria include its dual-phase 180° out-of-phase DC-DC architecture, independent enable/control per regulator, 32-μA typical quiescent current in dual-converter PFM mode, and automotive-grade thermal shutdown (150°C DC-DC, 140°C LDO) with integrated 100-ms reset generator.
Technical Context
The TPS65053IRGERQ1 employs a voltage-mode PWM controller with input voltage feed-forward for fast line/load regulation and uses external resistor dividers on FB_DCDC1/FB_DCDC2 to set adjustable output voltages (0.6 V to VIN). Its dual converters operate synchronized with 180° phase shift to reduce input RMS current and allow smaller input capacitors.
Each regulator features independent digital control: EN_DCDC1/EN_DCDC2 and EN_LDO1/EN_LDO2/EN_LDO3 are active-high enables; MODE pin selects between automatic PFM/PWM transition or forced-PWM operation; THRESHOLD and RESET pins implement a 1-V comparator-based 100-ms reset pulse generator functional even during full shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DC-DC Output Current | DCDC1: 1000 mA; DCDC2: 600 mA - supports core and I/O rails of OMAP™/DSP processors |
| Switching Frequency | 2.25 MHz (±10%) - enables use of compact 1.5–2.2 μH inductors and 10–22 μF ceramic output capacitors |
| LDO Output Voltages | LDO1/LDO2: externally adjustable (1–3.6 V); LDO3: fixed 1.3 V - powers memory interfaces and analog subsystems |
| Quiescent Current | 32 μA typical (both DC-DC in PFM mode, all LDOs disabled) - extends battery life in always-on automotive modules |
| Thermal Shutdown | DC-DC: 150°C (20°C hysteresis); LDO: 140°C (20°C hysteresis) - prevents latch-up during sustained overload or poor PCB thermal design |
| Reset Function | Open-drain RESET with 100-ms delay, triggered by THRESHOLD ≥1.0 V - provides clean processor boot sequencing independent of regulator enable state |
| Input Voltage Range | VINDCDC1/2: 2.5–6 V; VINLDO1/VINLDO2/3: 1.5–6.5 V - accommodates Li-ion battery discharge curve (4.2 V → 2.8 V) and flexible supply routing |
Pinout & Package
TPS65053IRGERQ1 is housed in a thermally enhanced 4-mm × 4-mm, 24-pin VQFN package (RGE) with exposed thermal pad connected to AGND/PGND. Pin pitch is 0.5 mm; package complies with JEDEC MO-220 standards and supports automated optical inspection (AOI) and reflow soldering.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VINDCDC1/2 (Pin 16) | Main DC-DC input supply | Shared 2.5–6 V input for both buck converters; must be tied to same rail as VCC |
| EN_DCDC1 (Pin 20) | DCDC1 enable control | Active-high logic input; pulling low disables converter and reduces quiescent current to 12 μA |
| FB_DCDC1 (Pin 19) | DCDC1 feedback node | Connects to external resistor divider to set output voltage between 0.6 V and VINDCDC1/2 |
| L1 (Pin 17) | DCDC1 high-side switch node | Drives external inductor; requires low-ESR ceramic capacitor and careful layout to minimize EMI |
| RESET (Pin 10) | Open-drain reset output | Active-low signal with 100-ms delay after THRESHOLD exceeds 1.0 V; sinks 1 mA max |
| THRESHOLD (Pin 5) | Reset threshold input | Monitors system supply voltage; triggers RESET when rising edge crosses 1.0 V ±2% |
| MODE (Pin 23) | Power mode selection | Low = auto PFM/PWM; High = forced PWM - used to suppress subharmonic noise in sensitive RF sections |
| AGND (Pin 24) | Analog ground reference | Must be connected to PGND1, PGND2, and thermal pad; forms low-noise return path for feedback circuits |
Key Features
| Feature | Design Value |
|---|---|
| 180° out-of-phase dual DC-DC operation | Reduces input ripple current by ~30%, enabling smaller 22-μF input capacitors instead of 47 μF |
| Dynamic voltage positioning | Maintains output voltage ~1% above nominal during light load, minimizing undershoot during sudden load steps |
| Integrated 100-ms reset generator | Operates independently of regulator enable states - ensures reliable processor reset even if all rails are disabled |
| Active discharge on LDO disable | Internal 350-Ω pull-down resistors on VLDO1/VLDO2/VLDO3 rapidly discharge output caps to prevent floating bias |
| Automotive thermal protection | Dual-stage shutdown: DC-DC at 150°C, LDO at 140°C - prevents thermal runaway while preserving LDO functionality during DC-DC fault |
Applications
| GPS Navigation Module | Satellite Radio Receiver |
|---|---|
|
Use Scenario: Compact automotive GPS unit powered by single-cell Li-ion battery with tight space constraints and strict EMI limits. IC Role / Device Role / Timing Role: Primary PMIC supplying 1.2 V core (DCDC1), 3.3 V I/O (DCDC2), 1.8 V memory (LDO1), and 1.3 V analog (LDO3) rails. Use Value: 2.25-MHz switching and 180° phase shift minimize conducted EMI into GPS RF front-end; PFM mode extends battery runtime during vehicle standby. |
Use Scenario: In-dash satellite radio module requiring stable low-noise supplies for audio DAC and tuner ICs. IC Role / Device Role / Timing Role: Central power hub delivering regulated 1.3 V (LDO3), 2.8 V (LDO1), and 3.3 V (DCDC2) with independent enable sequencing. Use Value: Forced-PWM mode (via MODE pin) eliminates subharmonic noise near audio band; LDO PSRR >60 dB at 1 kHz ensures clean analog supply. |
| Digital Camera Module | Emergency Cellular Transceiver |
|
Use Scenario: Automotive rear-view camera with image sensor, ISP, and LED flash driver powered from shared battery rail. IC Role / Device Role / Timing Role: Supplies 1.2 V core (DCDC1), 2.8 V sensor bias (LDO1), and 1.3 V ISP logic (LDO3); RESET monitors battery health. Use Value: Independent EN_LDOx pins allow staggered power-up to avoid inrush current; 100-ms RESET delay prevents false triggers during cold cranking. |
Use Scenario: Telematics emergency call (eCall) module requiring fail-safe operation across wide temperature (-40°C to +85°C) and voltage (2.8–4.2 V) ranges. IC Role / Device Role / Timing Role: Provides 1.8 V modem core (DCDC2), 3.3 V RF transceiver (DCDC1), and 1.3 V baseband (LDO3) with AEC-Q100 Grade 3 qualification. Use Value: Automotive qualification (HBM ±2 kV, CDM ±500 V) ensures robustness against ESD events in vehicle harnesses; thermal shutdown protects during antenna mismatch faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multi-rail power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS650531RGERQ1 | Fixed 1.2-V DCDC1 and 3.3-V DCDC2 outputs; no external feedback resistors required | Reduced BOM count for fixed-voltage systems but lacks flexibility for custom core/I/O voltages | Select when system requires guaranteed 1.2 V/3.3 V without resistor tolerance drift or layout sensitivity |
| TPS650532RGERQ1 | Fixed 1.0-V DCDC1 and 2.8-V DCDC2 outputs; identical LDO configuration and pinout | Optimized for lower-voltage DSPs and newer SoCs with tighter core voltage margins | Choose for OMAP-L138 or similar processors needing 1.0 V core; verify LDO1/LDO2 adjustability still meets peripheral needs |
Compared with TPS65053IRGERQ1, the TPS650531RGERQ1 and TPS650532RGERQ1 offer simplified fixed-output variants with identical packaging and thermal performance but sacrifice programmability-making them suitable only where voltage flexibility is unnecessary and cost/BOM reduction is prioritized over design reuse across multiple platforms.
Availability
TPS65053IRGERQ1 is available at Aetrix Electronics and suitable for automotive GPS navigation, satellite radio receivers, digital camera modules, and emergency cellular transceivers requiring stable component supply under AEC-Q100 Grade 3 conditions.
Supply support for TPS65053IRGERQ1 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 decades of automotive qualification expertise and broad power management portfolio coverage.
The TPS65053-Q1 product line was designed specifically for single-cell Li-ion-powered automotive infotainment and telematics systems requiring high integration, small solution size, and AEC-Q100 compliance.
FAQ
What is the maximum input voltage rating for TPS65053IRGERQ1?
The absolute maximum input voltage for VINDCDC1/2 and VINLDO1/VINLDO2/3 pins is 7 V, but the recommended operating range is 2.5–6 V for DC-DC inputs and 1.5–6.5 V for LDO inputs. Exceeding 6 V risks violating recommended conditions and may accelerate parametric drift over temperature and lifetime. The TPS65053IRGERQ1 includes undervoltage lockout (UVLO) that disables regulators below 1.8 V (typical) at VCC.
How does the MODE pin affect efficiency and noise performance of TPS65053IRGERQ1?
When MODE is low, TPS65053IRGERQ1 operates in automatic PFM/PWM mode: PFM at light loads (<~10 mA) for ultra-low quiescent current (32 μA typical), PWM at medium/heavy loads for tight regulation. When MODE is high, both DC-DC converters run in fixed-frequency PWM regardless of load - improving EMI filterability but reducing light-load efficiency by ~15–20% compared to PFM mode.
Can TPS65053IRGERQ1 power a processor requiring 1.0 V core and 3.3 V I/O simultaneously?
Yes. TPS65053IRGERQ1 supports this configuration: DCDC1 can be set to 1.0 V using an external resistor divider on FB_DCDC1 (0.6–VIN range), and DCDC2 can be set to 3.3 V via FB_DCDC2. Both converters deliver rated current (1 A and 0.6 A respectively) and maintain ±1% output accuracy in PWM mode, meeting typical SoC core/I/O rail requirements.
What is the purpose of the THRESHOLD and RESET pins on TPS65053IRGERQ1?
The THRESHOLD pin feeds a comparator that monitors system supply voltage; when it rises above 1.0 V, the open-drain RESET pin asserts low after a precise 100-ms delay. This circuit remains active even when all DC-DC converters and LDOs are disabled, ensuring reliable processor reset during battery wake-up or brown-out recovery. The TPS65053IRGERQ1 RESET output sinks up to 1 mA.
Does TPS65053IRGERQ1 provide short-circuit protection on all outputs?
Yes. TPS65053IRGERQ1 includes internal current limiting on all five outputs: DCDC1 (1.1–1.8 A), DCDC2 (0.85–1.15 A), LDO1 (850 mA), and LDO2/LDO3 (420 mA each). These limits activate during output short-to-ground events and are complemented by thermal shutdown (150°C for DC-DC, 140°C for LDOs) to prevent damage during sustained overload.
TPS65053IRGERQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 24-VFQFN Exposed Pad
- Packaging:
- Bulk
- Product Status:
- Active
- Applications:
- -
- Current - Supply:
- -
- Voltage - Supply:
- 2.5V ~ 6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 24-VQFN (4x4)
TPS65053IRGERQ1 FAQ
1.How can I place an order for TPS65053IRGERQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65053IRGERQ1 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 TPS65053IRGERQ1 reliable?
The price and inventory of TPS65053IRGERQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65053IRGERQ1 is usually 5 days.
3.What payment methods are accepted for TPS65053IRGERQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65053IRGERQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65053IRGERQ1?
TPS65053IRGERQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65053IRGERQ1 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 TPS65053IRGERQ1?
For technical support, including TPS65053IRGERQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65053IRGERQ1 requirements.
6.How does Aetrix verify that TPS65053IRGERQ1 is sourced from the original manufacturer or authorized distributors?
All TPS65053IRGERQ1 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 TPS65053IRGERQ1 meets industry standards.
7.What is the process for return or replacement of TPS65053IRGERQ1?
All TPS65053IRGERQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS65053IRGERQ1, 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 TPS65053IRGERQ1 part is unused and in its original packaging.
Return procedure for TPS65053IRGERQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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