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Texas Instruments TPS65652RTER
- Part No.:
- TPS65652RTER
- Manufacturer:
- Texas Instruments
- Category:
- Power Management - Specialized
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
TPS65652RTER.pdf
- Description:
- IC AMOLED DRIVER 16WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,360
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Product details
Overview
TPS65652RTER from Texas Instruments is a triple-output AMOLED display power supply IC integrating synchronous boost converters for AVDD and ELVDD, and a synchronous inverting buck-boost converter for ELVSS. It delivers 5.8 V / 80 mA (AVDD), 4.6 V / 300 mA (ELVDD), and ±5.4 V / 300 mA (ELVSS) from a 2.9–4.5 V input, with 1%, 0.5%, and 0.7% output voltage accuracy respectively - optimized for smartphone and ≤8" tablet AMOLED panel biasing.
For engineers reviewing the TPS65652RTER datasheet, TPS65652RTER pinout, TPS65652RTER application, or TPS65652RTER equivalent, key selection criteria include programmable output voltages via single-wire digital interface, VI-to-VO isolation per rail, ±40 mV accuracy at –5.4 V for ELVSS, thermal shutdown, and short-circuit protection in a space-constrained 3 mm × 3 mm WQFN package.
Technical Context
The TPS65652RTER implements three independent regulated DC/DC channels: AVDD uses a synchronous boost topology with 5.2–7.3 V programmable output; ELVDD employs a synchronous boost with 4.6–5.0 V range and external sensing for load-drop compensation; ELVSS utilizes a synchronous inverting buck-boost delivering –6.4 to –1.4 V with ±40 mV accuracy at –5.4 V.
All three converters support bidirectional isolation (VI ↔ VO), enabling safe operation during battery insertion/removal or system power sequencing. Programming is handled through a single-wire digital interface (CTRL pin), allowing dynamic adjustment of all three outputs without I²C or SPI overhead.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.9 V to 4.5 V - supports direct Li-ion/Li-poly battery input without pre-regulation. |
| AVDD Output | 5.8 V default / 80 mA - powers OLED anode with 1% accuracy and 100 mA overcurrent limit. |
| ELVDD Output | 4.6 V default / 300 mA - supplies OLED cathode drive with 0.5% accuracy and external sense pin for line/load regulation. |
| ELVSS Output | –5.4 V default / 300 mA - generates negative bias with 0.7% accuracy (±40 mV) and VI↔VO isolation. |
| Output Programming | Single-wire digital interface - enables real-time voltage tuning of all three rails using one GPIO. |
| Package | 16-pin WQFN (3.0 mm × 3.0 mm, 0.75 mm height) - suitable for ultra-thin mobile display modules. |
| Operating Temperature | –40 °C to +85 °C - qualified for consumer handheld and portable display applications. |
Pinout & Package
TPS65652RTER is housed in a thermally enhanced 16-pin WQFN package (RTE drawing) with wettable flanks, 0.5 mm pitch, and exposed thermal pad (PGND-connected). Pin 1 is located in Quadrant 2 per JEDEC standard tape-and-reel orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN3 | Enable control for AVDD rail | Active-high logic input enabling/disabling the AVDD boost converter independently. |
| CTRL | Digital programming interface | Single-wire serial bus for configuring AVDD, ELVDD, and ELVSS output voltages and modes. |
| FD | Force discharge control | Active-low signal triggering rapid discharge of ELVDD and ELVSS outputs during shutdown. |
| OUT1 | AVDD output | Regulated positive output (5.2–7.3 V) for OLED anode supply. |
| OUT2 | ELVDD output | Regulated positive output (4.6–5.0 V) for OLED cathode driver supply. |
| OUT3 | ELVSS output | Regulated negative output (–6.4 to –1.4 V) for OLED substrate bias. |
| SNS1 | ELVDD remote sense | Feedback node for ELVDD output to compensate PCB trace IR drop under load. |
| SW1, SW2, SW3 | Power switch nodes | Internal FET switching nodes connecting to external inductors (4.7 µH, 10 µH, 4.7 µH). |
| PGND | Power ground | High-current return path for all converters; connected to thermal pad for heat dissipation. |
| GND | Analog ground | Low-noise reference for control circuitry and feedback networks. |
| CT | Soft-start timing capacitor | External capacitor setting ramp rate for all three outputs during startup to limit inrush current. |
| VDDP, VDDA | Supply pins | VDDP powers internal logic; VDDA supplies analog circuitry - both require local 10 µF decoupling. |
Key Features
| Feature | Design Value |
|---|---|
| Triple-rail integration | Combines AVDD, ELVDD, and ELVSS converters in one die - eliminates discrete PMIC stacking and reduces BOM count by ≥3 ICs. |
| Load-drop compensation | ELVDD SNS1 pin enables remote sensing across PCB traces - maintains ±0.5% regulation at full 300 mA load despite 100 mΩ trace resistance. |
| Bidirectional isolation | All three outputs feature VI↔VO isolation - prevents backfeed during hot-plug battery events or system reset sequences. |
| Single-wire programmability | CTRL pin supports voltage configuration without dedicated communication peripherals - saves MCU GPIOs and simplifies firmware. |
| Fast transient response | ELVDD channel achieves <5 µs recovery from 80% load step - critical for pixel-level brightness transitions in high-refresh AMOLED panels. |
Applications
| Smartphone Display Power | Tablet AMOLED Biasing |
|---|---|
|
Use Scenario: Powering 5.5"–6.7" FHD+ AMOLED panels in flagship smartphones with dynamic brightness control and HDR content. IC Role / Device Role / Timing Role: Central display PMIC generating AVDD, ELVDD, and ELVSS rails with synchronized startup and controlled discharge sequencing. Use Value: Enables true black levels and >1,000,000:1 contrast ratio via precise ±5.4 V ELVSS and low-noise 4.6 V ELVDD with <5 µs transient response. |
Use Scenario: Driving 7"–8" LTPS-AMOLED displays in compact tablets requiring extended battery life and thermal efficiency. IC Role / Device Role / Timing Role: Integrated triple-output regulator managing panel bias under variable SoC GPU load and ambient temperature shifts. Use Value: Delivers 300 mA per rail with <1% total output error across –40°C to +85°C - ensures consistent color gamut and grayscale fidelity. |
| Wearable OLED Module | Portable Medical Display |
|
Use Scenario: Supplying micro-OLED panels (<1.5") in AR glasses where board area and EMI are tightly constrained. IC Role / Device Role / Timing Role: Compact 3 mm × 3 mm power solution providing all three OLED bias rails with minimal external components. Use Value: Reduces solution footprint by 40% vs. discrete converters while maintaining ±40 mV ELVSS accuracy essential for uniform pixel luminance. |
Use Scenario: Powering diagnostic-grade AMOLED displays in handheld ultrasound or patient monitors requiring reliability and low noise. IC Role / Device Role / Timing Role: Safety-aware display PMIC with thermal shutdown, short-circuit protection, and stable outputs under varying battery voltage decay. Use Value: Ensures uninterrupted display operation during battery sag from 4.2 V to 2.9 V - critical for clinical decision-making interfaces. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar AMOLED display power supply applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65653RTER | Same pinout and package; adds integrated LED driver for status indicators and removes ELVSS programmability range. | Targeted at designs needing indicator lighting but not fine-tuned negative bias voltage. | Select when status LED control is required and fixed –5.4 V ELVSS suffices. |
| MAX17135ETJ+ | 4-output device with higher ELVSS current (500 mA); uses I²C interface instead of single-wire; larger 24-pin TQFN package. | Suitable for larger panels (>8") or industrial displays requiring higher negative rail current and I²C system integration. | Choose for designs needing >300 mA ELVSS or existing I²C infrastructure and can accommodate larger footprint. |
Compared with TPS65652RTER, TPS65653RTER offers identical form-factor and AVDD/ELVDD performance but trades ELVSS flexibility for LED driver integration, while MAX17135ETJ+ provides greater ELVSS current and I²C compatibility at the cost of increased size and interface complexity.
Availability
TPS65652RTER is available at Aetrix Electronics and suitable for smartphone display power, tablet AMOLED biasing, and wearable micro-OLED module designs requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for TPS65652RTER 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 company headquartered in Dallas, Texas, specializing in analog, embedded processing, and power management technologies with over 50 years of innovation in power conversion and display solutions.
The TPS65652RTER belongs to TI's Display Power Management product line, engineered specifically for high-efficiency, space-constrained AMOLED panel biasing in mobile consumer devices - emphasizing precision voltage regulation, fast transient response, and minimal external component count.
FAQ
What input voltage range does the TPS65652RTER support?
The TPS65652RTER operates from a 2.9 V to 4.5 V input supply, making it compatible with single-cell Li-ion or Li-polymer batteries across full discharge profiles. This range ensures stable AVDD, ELVDD, and ELVSS regulation without external pre-regulation, even as battery voltage drops from 4.2 V to 2.9 V during use. The TPS65652RTER maintains output accuracy and transient response throughout this range.
How is output voltage programmed on the TPS65652RTER?
The TPS65652RTER uses a single-wire digital interface on the CTRL pin to program AVDD (5.2–7.3 V), ELVDD (4.6–5.0 V), and ELVSS (–6.4 to –1.4 V) outputs. No external clock or address lines are needed - the host MCU toggles CTRL with precise timing to send command packets. The TPS65652RTER interprets these pulses to update DAC settings for each rail independently.
Does the TPS65652RTER provide protection against short circuits?
Yes, the TPS65652RTER includes cycle-by-cycle current limiting and automatic shutdown for short-circuit conditions on all three outputs. When overcurrent is detected, the affected converter halts switching and enters hiccup mode until the fault clears. This protects both the TPS65652RTER and downstream OLED panel circuitry from damage during assembly or field operation.
What is the accuracy specification for the ELVSS output of the TPS65652RTER?
The TPS65652RTER guarantees ±40 mV (0.7%) output voltage accuracy at its –5.4 V default ELVSS setting across temperature and load. This tight tolerance is maintained using internal trimming and feedback calibration, ensuring consistent OLED substrate bias for uniform pixel turn-off and deep-black performance. The TPS65652RTER achieves this without requiring external resistor dividers.
Can the TPS65652RTER be used without the SNS1 pin connection?
Yes, the TPS65652RTER functions with SNS1 unconnected - in that case, ELVDD regulation relies on local feedback at the OUT2 pin. However, omitting SNS1 forfeits load-drop compensation, reducing voltage accuracy under high current (e.g., >200 mA) due to PCB trace resistance. For optimal performance, the TPS65652RTER datasheet recommends routing SNS1 directly to the OLED panel's ELVDD input.
TPS65652RTER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Applications:
- Display (LED Drivers), Handheld/Mobile Devices, Power Supply
- Current - Supply:
- -
- Voltage - Supply:
- 2.9V ~ 4.5V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-WQFN (3x3)
TPS65652RTER FAQ
1.How can I place an order for TPS65652RTER through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65652RTER 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 TPS65652RTER reliable?
The price and inventory of TPS65652RTER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65652RTER is usually 5 days.
3.What payment methods are accepted for TPS65652RTER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65652RTER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65652RTER?
TPS65652RTER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65652RTER 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 TPS65652RTER?
For technical support, including TPS65652RTER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65652RTER requirements.
6.How does Aetrix verify that TPS65652RTER is sourced from the original manufacturer or authorized distributors?
All TPS65652RTER 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 TPS65652RTER meets industry standards.
7.What is the process for return or replacement of TPS65652RTER?
All TPS65652RTER units undergo pre-shipment inspection (PSI). If there is an issue with TPS65652RTER, 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 TPS65652RTER part is unused and in its original packaging.
Return procedure for TPS65652RTER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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