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Texas Instruments TPS65023QRHARQ1
- Part No.:
- TPS65023QRHARQ1
- Manufacturer:
- Texas Instruments
- Category:
- Battery Management
- Package:
- 40-VFQFN Exposed Pad
- Datasheet:
-
TPS65023QRHARQ1.pdf
- Description:
- IC BAT PWR MGMT LI-ION 1C 40VQFN
- Quantity:
- Payment:
- Shipping:
Inventory:5,536
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Product details
Overview
TPS65023QRHARQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive-qualified power management IC (PMIC) integrating three high-efficiency step-down DC/DC converters (1.5 A, 1.2 A, 1 A), three LDOs (30 mA RTC + 2 × 200 mA general-purpose), I²C interface, dynamic voltage scaling (DVS), and battery backup functionality. It delivers core, I/O, and memory rails for single-cell Li-Ion/Li-Polymer systems in automotive infotainment and digital radio platforms.
For engineers reviewing the TPS65023QRHARQ1 datasheet, TPS65023QRHARQ1 pinout, TPS65023QRHARQ1 application, or TPS65023QRHARQ1 equivalent, key selection considerations include its triple-buck architecture with independent enable pins, preselectable LDO voltages via DEFLDO1/DEFLDO2, externally adjustable reset delay, low 85-μA quiescent current in PFM mode, and thermal shutdown protection at 160°C.
Technical Context
The TPS65023QRHARQ1 implements synchronous buck conversion using integrated P-channel and N-channel MOSFETs (rDS(on) ≤261 mΩ / ≤260 mΩ for DCDC1), fixed-frequency PWM (1.95–2.55 MHz) with optional PFM low-load operation, and I²C-compatible serial interface supporting up to 400 kHz transfers. Each DC/DC converter features soft-start (750 μs ramp), discharge resistance (300 Ω), and ±2% output voltage accuracy across load and temperature.
Its LDO subsystem includes two 200-mA regulators with 1.5–6.5 V input range, digitally selectable default outputs (four combinations via DEFLDO1/DEFLDO2), and a dedicated 30-mA RTC LDO with VSYSIN/VBACKUP switchover logic. Voltage monitoring is implemented via dedicated comparator inputs (LOWBAT_SNS, PWRFAIL_SNS) driving open-drain outputs (LOW_BAT, PWRFAIL, INT).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DCDC1 Output Current | 1.5 A maximum - supports processor core rail with dynamic voltage scaling |
| DCDC2 Efficiency | Up to 95% - minimizes thermal load for system I/O voltage (1.8 V or 3.3 V) |
| Quiescent Current | 85 μA in PFM mode with all DC/DCs and LDOs enabled - extends battery runtime in standby |
| I²C Interface Speed | 400 kHz fast-mode - enables real-time DVS and interrupt masking without bus contention |
| Operating Temperature | –40°C to +125°C ambient - qualified for automotive Grade 1 applications per AEC-Q100 |
| LDO Output Accuracy | ±2% over load and temperature - ensures stable peripheral supply for memory and interfaces |
| Thermal Shutdown | 160°C with 20°C hysteresis - prevents permanent damage during sustained overload or poor PCB cooling |
Pinout & Package
TPS65023QRHARQ1 is packaged in a 40-pin VQFN (RHA) with 6.00 mm × 6.00 mm body size and exposed thermal pad connected to AGND. The package supports high-power dissipation with RθJA = 31.6°C/W and RθJB = 6.6°C/W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| DCDC1_EN (25) | Enable control input | Logic-high active signal to start/stop VDCDC1 converter independently of other rails |
| VDCDC1 (9) | Feedback sense input | Direct connection point for resistor divider to set adjustable output voltage (0.6 V to VCC) |
| L1 (7) | Switch node | Connection to external 1.5–2.2 μH inductor for DCDC1 power stage |
| DEFDCDC1 (10) | Default voltage select | Digital input selecting 1.2 V (low) or 1.6 V (high) fixed VDCDC1 output |
| SDAT (29) | I²C bidirectional data | Open-drain interface pin supporting standard/fast-mode I²C protocol with 4.7 kΩ pullup to VRTC |
| RESPWRON (27) | System reset output | Open-drain active-low reset signal with 100 ms delay set by external 1 nF capacitor on TRESPWRON |
Key Features
| Feature | Design Value |
|---|---|
| Triple synchronous buck converters | Independent enable/control per rail (DCDC1/2/3) enables phased power-up and rail sequencing |
| Dynamic voltage scaling (DVS) | I²C-programmable VDCDC1 output allows real-time core voltage adjustment to match processing load |
| Preselectable LDO outputs | Four default voltage combinations for VLDO1/VLDO2 set via DEFLDO1/DEFLDO2 pins without I²C |
| Battery backup switchover | Automatic VRTC sourcing from VSYSIN or VBACKUP based on voltage thresholds (2.55–2.65 V) |
| Low-ripple PFM mode | Maintains <10 mVpp output ripple at light loads while achieving 85 μA quiescent current |
Applications
| Automotive Infotainment Head Unit | Digital Radio Module |
|---|---|
|
Use Scenario: Powering ARM-based SoC (e.g., DaVinci DSP), display interface, audio codec, and USB PHY from single Li-Ion cell. IC Role / Device Role / Timing Role: Central PMIC providing sequenced core (1.2 V), I/O (3.3 V), memory (1.8 V), and RTC (3.0 V) rails with DVS support. Use Value: Enables >95% efficiency at full load and <85 μA quiescent current in sleep mode, meeting automotive cold-cranking and parking-mode requirements. |
Use Scenario: Supplying tuners, demodulators, and microcontroller in compact FM/AM/DAB radio module. IC Role / Device Role / Timing Role: Delivers regulated 1.8 V (memory), 3.3 V (I/O), and 3.0 V (RTC) with independent enable control for power domain isolation. Use Value: Integrated voltage monitors (PWRFAIL, LOW_BAT) trigger graceful shutdown before battery depletion, preventing data corruption. |
| Automotive Instrument Cluster | Telematics Control Unit (TCU) |
|
Use Scenario: Driving TFT-LCD, microcontroller, CAN transceiver, and sensor interface in driver-facing dashboard display. IC Role / Device Role / Timing Role: Generates core (1.2 V), peripheral (3.3 V), and graphics memory (1.8 V) rails with synchronized startup timing via I²C register control. Use Value: Thermal shutdown (160°C) and robust ESD rating (±2000 V HBM) ensure reliability in high-temperature cabin environments. |
Use Scenario: Powering LTE modem, GPS receiver, MCU, and cellular antenna switch in vehicle connectivity module. IC Role / Device Role / Timing Role: Supplies 200-mA LDOs for RF bias and 30-mA RTC LDO with seamless battery backup during ignition-off periods. Use Value: Externally adjustable reset delay (via TRESPWRON capacitor) aligns system reset timing with modem boot sequence requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar power management IC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS650231QRHARQ1 | Same pinout and feature set but with factory-programmed default VDCDC1 = 1.2 V (non-adjustable via DEFDCDC1) | Eliminates need for external DEFDCDC1 configuration; suited for fixed-core-voltage designs | Select when core voltage is static and board layout must avoid routing DEFDCDC1 |
| TPS650250QRGZRQ1 | Higher DCDC1 current (2 A vs 1.5 A), adds fourth 200-mA LDO, removes VRTC switchover logic | Supports higher-performance SoCs requiring >1.5 A core current; lacks battery backup for RTC | Choose for next-gen processors needing increased core rail capability and additional LDO headroom |
Compared with TPS65023QRHARQ1, TPS650231QRHARQ1 simplifies design by fixing VDCDC1 at 1.2 V, while TPS650250QRGZRQ1 trades RTC backup functionality for greater core current and an extra LDO-making each alternative optimal only for specific power architecture trade-offs.
Availability
TPS65023QRHARQ1 is available at Aetrix Electronics and suitable for automotive infotainment systems, digital radio modules, and instrument cluster designs requiring stable component supply, AEC-Q100 compliance, and long-term production continuity.
Supply support for TPS65023QRHARQ1 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 decades of automotive qualification expertise.
The TPS65023-Q1 product line was designed specifically for single-cell Li-Ion/Li-Polymer powered automotive infotainment and telematics systems requiring high integration, low quiescent current, and AEC-Q100 Grade 1 reliability.
FAQ
What is the maximum output current supported by each DC/DC converter in the TPS65023QRHARQ1?
The TPS65023QRHARQ1 supports 1.5 A on DCDC1 (core rail), 1.2 A on DCDC2 (system I/O), and 1.0 A on DCDC3 (memory rail). These ratings are validated under recommended operating conditions with proper thermal management and external components (e.g., 2.2 μH inductors and ≥10 μF output capacitors). Derating applies above +85°C ambient.
How does the TPS65023QRHARQ1 implement dynamic voltage scaling (DVS) for the processor core?
The TPS65023QRHARQ1 enables DVS for VDCDC1 via its I²C interface: registers allow real-time adjustment of the core output voltage between 0.6 V and VCC (up to 6 V), with ±1% accuracy in FPWM mode. This permits software-controlled voltage reduction during low-activity states to cut dynamic power consumption in ARM or DSP-based SoCs.
Can the TPS65023QRHARQ1 operate without I²C communication enabled?
Yes - the TPS65023QRHARQ1 operates autonomously using hardware-configured defaults: DEFDCDC1/2/3 pins set fixed DC/DC outputs (e.g., 1.2 V/1.8 V/1.8 V), while DEFLDO1/DEFLDO2 select one of four LDO voltage pairs. I²C is optional for DVS, interrupt masking, or runtime reconfiguration - not required for basic power-up.
What is the function of the TRESPWRON pin on the TPS65023QRHARQ1?
The TRESPWRON pin on the TPS65023QRHARQ1 accepts an external timing capacitor to set the duration of the active-low pulse on RESPWRON. A 1 nF capacitor yields a nominal 100 ms reset delay, allowing synchronization with downstream device boot sequences. This capacitor connects between TRESPWRON and AGND, with no series resistor required.
Does the TPS65023QRHARQ1 support battery backup for real-time clock (RTC) functionality?
Yes - the TPS65023QRHARQ1 integrates a dedicated 30-mA RTC LDO (VRTC) with automatic switchover between VSYSIN and VBACKUP inputs. When VSYSIN falls below 2.55 V (with 100 mV hysteresis), the device seamlessly transfers VRTC supply to the backup battery (2.73–3.75 V range), ensuring continuous timekeeping during main power loss.
TPS65023QRHARQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 40-VFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Function:
- Power Management
- Battery Chemistry:
- Lithium Ion/Polymer
- Number of Cells:
- 1
- Fault Protection:
- Over Temperature
- Interface:
- I2C
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-VQFN (6x6)
TPS65023QRHARQ1 FAQ
1.How can I place an order for TPS65023QRHARQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65023QRHARQ1 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 TPS65023QRHARQ1 reliable?
The price and inventory of TPS65023QRHARQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65023QRHARQ1 is usually 5 days.
3.What payment methods are accepted for TPS65023QRHARQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65023QRHARQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65023QRHARQ1?
TPS65023QRHARQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65023QRHARQ1 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 TPS65023QRHARQ1?
For technical support, including TPS65023QRHARQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65023QRHARQ1 requirements.
6.How does Aetrix verify that TPS65023QRHARQ1 is sourced from the original manufacturer or authorized distributors?
All TPS65023QRHARQ1 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 TPS65023QRHARQ1 meets industry standards.
7.What is the process for return or replacement of TPS65023QRHARQ1?
All TPS65023QRHARQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TPS65023QRHARQ1, 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 TPS65023QRHARQ1 part is unused and in its original packaging.
Return procedure for TPS65023QRHARQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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