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Texas Instruments TPS65652RTET
- Part No.:
- TPS65652RTET
- Manufacturer:
- Texas Instruments
- Category:
- Special Purpose Regulators
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
TPS65652RTET.pdf
- Description:
- IC REG AMOLED DISPL 3OUT 16WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,808
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Product details
Overview
TPS65652RTET from Texas Instruments is a triple-output AMOLED display power supply IC integrating synchronous boost converters for AVDD and ELVDD, plus 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) with 1%, 0.5%, and 0.7% output voltage accuracy respectively, operating from a 2.9–4.5 V input - ideal for smartphone and ≤8" tablet AMOLED biasing.
For engineers reviewing the TPS65652RTET datasheet, TPS65652RTET pinout, TPS65652RTET application, or TPS65652RTET equivalent, key selection criteria include programmable output voltages via single-wire digital interface, VI-to-VO isolation across all rails, ±40 mV accuracy at –5.4 V, thermal shutdown, and short-circuit protection in a space-constrained 3 mm × 3 mm WQFN package.
Technical Context
The TPS65652RTET implements three independent regulated DC/DC channels: a non-inverting boost (AVDD), a second non-inverting boost (ELVDD) with external sensing for load-drop compensation, and an inverting buck-boost (ELVSS) enabling negative rail generation. All converters use synchronous rectification and share input voltage isolation to prevent backfeed during fault or shutdown.
Programming is handled through a single-wire digital interface (CTRL pin), allowing discrete-step adjustment of all three outputs without I²C or SPI overhead. The device supports simultaneous enable/disable sequencing via EN3 and includes dedicated discharge control for safe rail ramp-down, critical for OLED pixel integrity during power cycling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 2.9 V to 4.5 V - matches Li-ion battery discharge profile without requiring pre-regulation. |
| AVDD Output | 5.8 V default / 5.2–7.3 V programmable, ±1% accuracy - ensures stable gate drive for AMOLED TFTs. |
| ELVDD Output | 4.6 V default / 4.6–5.0 V programmable, ±0.5% accuracy - tight tolerance for OLED anode bias stability. |
| ELVSS Output | –5.4 V default / –6.4 to –1.4 V programmable, ±40 mV accuracy at –5.4 V - enables precise cathode bias control. |
| Output Current Capability | 80 mA (AVDD), 300 mA (ELVDD), 300 mA (ELVSS) - sufficient for ≤8" active-matrix OLED panels. |
| Protection Features | Short-circuit protection, thermal shutdown, and VI-to-VO isolation on all outputs - prevents latch-up and cross-rail faults. |
| Interface | Single-wire digital CTRL pin - reduces PCB routing complexity vs. multi-pin serial interfaces. |
Pinout & Package
TPS65652RTET uses a 3.00 mm × 3.00 mm × 0.75 mm 16-pin WQFN package (RTE drawing) with wettable flanks and exposed thermal pad (PGND-connected).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| EN3 | Enable Input | Active-high global enable controlling all three regulators; must be high for operation. |
| CTRL | Digital Interface | Single-wire bidirectional programming interface for setting AVDD, ELVDD, and ELVSS output voltages. |
| FD | Force Discharge | Active-low signal initiating controlled discharge of ELVDD and ELVSS outputs during shutdown. |
| OUT1 | AVDD Output | Regulated positive output (5.8 V default) for AMOLED anode TFT gate drive. |
| OUT2 | ELVDD Output | Regulated positive output (4.6 V default) for OLED pixel anode bias; includes SNS1 for remote sensing. |
| OUT3 | ELVSS Output | Regulated negative output (–5.4 V default) for OLED cathode bias; polarity inverted via buck-boost topology. |
| SNS1 | Remote Sense | Feedback node for ELVDD output to compensate IR drop in PCB traces or connectors. |
| SW1/SW2/SW3 | Switch Node | Internal FET switching nodes for AVDD, ELVDD, and ELVSS power stages; require external inductors. |
| PGND/GND | Power/Ground | Separate PGND (power ground) and GND (signal ground) pins minimize noise coupling into control circuitry. |
| VDDP/VDDA | Bias Supplies | Internal LDO outputs powering analog and digital control blocks; decoupling required per datasheet. |
| CT | Compensation | External compensation pin for AVDD loop stability; connects to RC network per design requirements. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable AVDD/ELVDD/ELVSS | Independent digital adjustment via single-wire CTRL pin eliminates need for external DACs or resistor networks. |
| Load-Drop Compensation | ELVDD remote sensing (SNS1) maintains ±0.5% regulation at point-of-load despite trace resistance up to 100 mΩ. |
| VI-to-VO Isolation | All three outputs maintain electrical isolation from input during shutdown or fault, preventing backfeed into battery. |
| Fast Line Transient Response | ELVDD achieves <5 µs recovery time after ±0.2 V input step - preserves OLED grayscale fidelity during battery sag. |
| Thermal & Short-Circuit Protection | Auto-recovery thermal shutdown and cycle-by-cycle current limiting protect against sustained overloads without latch-up. |
Applications
| Smartphone Display Power | Tablet AMOLED Biasing |
|---|---|
|
Use Scenario: Powering 5–6.5" AMOLED displays in flagship smartphones with dynamic brightness scaling and touch-integrated frame rates. IC Role / Device Role / Timing Role: Triple-rail bias generator providing AVDD (TFT gate), ELVDD (anode), and ELVSS (cathode) with synchronized enable/discharge sequencing. Use Value: Single-chip solution reduces BOM count by 3× vs. discrete DC/DCs while maintaining <±0.5% ELVDD regulation under 0–300 mA load steps. |
Use Scenario: Driving 7–8" high-resolution AMOLED panels in compact tablets with dual-domain power management and low-idle current. IC Role / Device Role / Timing Role: Integrated power manager delivering programmable, isolated, and sequenced bias rails with fast transient response for video playback. Use Value: Enables <10 µA quiescent current in deep-sleep mode and <5 µs ELVDD line transient recovery - critical for battery life and image stability. |
| OLED Test Equipment | Portable Medical Display |
|
Use Scenario: Benchtop AMOLED characterization systems requiring precise, adjustable bias rails for pixel uniformity mapping and lifetime testing. IC Role / Device Role / Timing Role: Programmable triple-output source with ±40 mV ELVSS accuracy and remote sensing for calibrated panel biasing. Use Value: Digital voltage stepping (via CTRL) allows automated sweep of AVDD/ELVDD/ELVSS across full ranges without hardware changes. |
Use Scenario: Battery-powered handheld diagnostic devices with monochrome or color AMOLED displays needing reliable, low-noise bias under variable temperature. IC Role / Device Role / Timing Role: Robust display power IC with thermal shutdown, short-circuit protection, and –40°C to +85°C operation. Use Value: Maintains ±0.7% ELVSS accuracy across temperature and load - ensures consistent contrast and grayscale rendering in clinical environments. |
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 |
|---|---|---|---|
| TPS65653RTET | Same pinout and package; adds integrated EEPROM for factory-programmed defaults and removes FD pin functionality. | Targeted at mass production where fixed configurations reduce firmware overhead; lacks force-discharge control. | Select TPS65653RTET when factory-set outputs eliminate need for runtime reprogramming and discharge control is managed externally. |
| MAX17135ETL+ | 4-output PMIC (adds VGH); uses I²C interface; higher AVDD current (120 mA); larger 24-pin TQFN package. | Supports larger panels (>8") and gate driver supplies; requires additional I²C lines and layout area. | Choose MAX17135ETL+ when driving extended AMOLEDs with integrated gate drivers or when I²C infrastructure already exists. |
Compared with TPS65652RTET, TPS65653RTET trades programmability for EEPROM-based configuration stability, while MAX17135ETL+ expands functionality at the cost of interface complexity and footprint - making TPS65652RTET optimal for compact, software-configurable ≤8" designs.
Availability
TPS65652RTET is available at Aetrix Electronics and suitable for smartphone display power, tablet AMOLED biasing, and portable medical display applications requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for TPS65652RTET 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 specializing in analog, embedded processing, and power management technologies, with leadership in high-efficiency DC/DC conversion and display power solutions.
The TPS65652RTET belongs to TI's Display Power Management product line, engineered specifically for AMOLED panel biasing in mobile and portable devices - emphasizing compact integration, precision regulation, and robust fault handling.
FAQ
What is the maximum output current capability of each rail in the TPS65652RTET?
The TPS65652RTET provides 80 mA on the AVDD rail (OUT1), 300 mA on the ELVDD rail (OUT2), and 300 mA on the ELVSS rail (OUT3). These ratings are specified under typical conditions with proper thermal management and external components. The ELVDD and ELVSS rails include current-limit protection set at ±20% of nominal rating, while AVDD limits at 100 mA. Derating applies above 65°C ambient.
Does the TPS65652RTET support remote voltage sensing, and if so, which output uses it?
Yes, the TPS65652RTET supports remote voltage sensing exclusively for the ELVDD output via the SNS1 pin. This feature compensates for IR drop between the OUT2 pin and the AMOLED panel anode connection point, maintaining ±0.5% regulation accuracy at the load under varying current conditions. AVDD and ELVSS do not support remote sensing.
What package type and dimensions does the TPS65652RTET use, and is it RoHS compliant?
The TPS65652RTET uses a 16-pin WQFN package (RTE drawing) measuring 3.00 mm × 3.00 mm × 0.75 mm with wettable flanks. It is RoHS-compliant and qualified as "Green (RoHS & no Sb/Br)" with CU NIPDAU finish and JEDEC MSL Level-2 moisture sensitivity rating. The exposed thermal pad is internally connected to PGND.
How is output voltage programming implemented on the TPS65652RTET?
Output voltage programming on the TPS65652RTET is performed via a single-wire digital interface using the CTRL pin. This interface allows discrete-step adjustment of AVDD (5.2–7.3 V), ELVDD (4.6–5.0 V), and ELVSS (–6.4 to –1.4 V) without requiring I²C, SPI, or external resistors. Communication follows a TI-specific protocol with defined timing and command structure detailed in the datasheet.
What protection features are integrated into the TPS65652RTET?
The TPS65652RTET integrates short-circuit protection on all three outputs, thermal shutdown with auto-restart, VI-to-VO isolation to prevent backfeed, and cycle-by-cycle current limiting. It also includes a dedicated FD (force discharge) pin to actively sink current from ELVDD and ELVSS during shutdown, preventing slow decay that could damage OLED pixels. No external protection circuitry is required.
TPS65652RTET Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Applications:
- Converter, AMOLED Display
- Voltage - Input:
- 2.9V ~ 4.5V
- Number of Outputs:
- 3
- Voltage - Output:
- 4.6V ~ 5V, 5.2V ~ 7.3V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-WQFN (3x3)
TPS65652RTET FAQ
1.How can I place an order for TPS65652RTET through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65652RTET 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 TPS65652RTET reliable?
The price and inventory of TPS65652RTET are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65652RTET is usually 5 days.
3.What payment methods are accepted for TPS65652RTET?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65652RTET transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65652RTET?
TPS65652RTET orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65652RTET 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 TPS65652RTET?
For technical support, including TPS65652RTET datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65652RTET requirements.
6.How does Aetrix verify that TPS65652RTET is sourced from the original manufacturer or authorized distributors?
All TPS65652RTET 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 TPS65652RTET meets industry standards.
7.What is the process for return or replacement of TPS65652RTET?
All TPS65652RTET units undergo pre-shipment inspection (PSI). If there is an issue with TPS65652RTET, 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 TPS65652RTET part is unused and in its original packaging.
Return procedure for TPS65652RTET:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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