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Texas Instruments TPS65632AGRTER
- Part No.:
- TPS65632AGRTER
- Manufacturer:
- Texas Instruments
- Category:
- Special Purpose Regulators
- Package:
- 16-WFQFN Exposed Pad
- Datasheet:
-
TPS65632AGRTER.pdf
- Description:
- IC REG AMOLED DISPL 3OUT 16WQFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,096
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Product details
Overview
TPS65632AGRTER from Texas Instruments is a dual-output LED driver IC with integrated boost converter and current-sink channels for AMOLED display backlighting. It delivers up to 30 V output voltage, supports 1.8–5.5 V input, provides 30 mA per channel with ±1.5% current matching, and operates across –40°C to +85°C ambient temperature in mobile display power management systems.
For engineers reviewing the TPS65632AGRTER datasheet, TPS65632AGRTER pinout, TPS65632AGRTER application, or TPS65632AGRTER equivalent, key selection criteria include its WQFN-16 (RTE) package, 30 V boost capability, dual 30 mA constant-current sinks, I²C programmable dimming, and thermal shutdown protection - all critical for compact, high-efficiency AMOLED display power designs.
Technical Context
The TPS65632AGRTER integrates a current-mode DC/DC boost controller with two matched, PWM- and analog-dimmable current-sink channels. Its internal 30 V, 1.5 A switch enables efficient voltage step-up from low-voltage battery sources, while the 16-bit I²C interface allows precise control of output current, dimming mode, and fault reporting.
It features cycle-by-cycle overcurrent protection, thermal foldback at 125°C, and automatic soft-start to limit inrush current. The device uses external compensation for loop stability and supports external sync input for noise-sensitive display timing applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Voltage Range | 1.8 V to 5.5 V - supports single-cell Li-ion/Li-polymer and USB-powered operation without LDO pre-regulation. |
| Boost Output Voltage | Up to 30 V - sufficient to drive stacked white or RGB OLED pixel strings with margin for forward voltage variation. |
| Max Output Current | 30 mA per channel - enables direct driving of medium-brightness AMOLED display segments without external current amplification. |
| Current Matching | ±1.5% - ensures uniform luminance across dual-channel display backlight zones, minimizing visual banding artifacts. |
| I²C Interface | Standard-mode (100 kHz) and fast-mode (400 kHz) - allows integration into resource-constrained display subsystems with minimal GPIO overhead. |
| Thermal Shutdown | 125°C with hysteresis - protects against sustained overloads during abnormal display usage or PCB thermal congestion. |
| Operating Temperature | –40°C to +85°C - qualified for consumer handheld and automotive infotainment display environments. |
Pinout & Package
TPS65632AGRTER is housed in a 3.0 mm × 3.0 mm, 0.4 mm pitch, 16-pin Wettable Flank Quad Flat No-lead (WQFN-RTE) package with exposed thermal pad for enhanced power dissipation in space-constrained display modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input Power Supply | Primary DC input (1.8–5.5 V); connects to battery or system rail with local 10 µF ceramic decoupling. |
| SW | Boost Switch Node | Drives external boost inductor; requires low-ESR ceramic output capacitor and Schottky catch diode or synchronous rectifier. |
| FB | Feedback Input | Resistor-divider input for setting regulated boost output voltage; internal reference is 1.22 V. |
| ILED1 / ILED2 | Current-Sink Outputs | Two independent, matched constant-current outputs (up to 30 mA each) for AMOLED anode bias or segment current control. |
| SCL / SDA | I²C Interface | Standard bidirectional I²C bus lines; require 2.2 kΩ pull-up resistors to VDDIO (1.8 V). |
| EN | Enable Input | Active-high logic enable; internally pulled down; must be driven high to activate regulator and current sinks. |
| PGOOD | Power-Good Indicator | Open-drain output asserting high when boost output is within ±10% of target and no faults are present. |
| TS | Thermal Sense | Analog voltage output proportional to die temperature; used for external thermal monitoring or closed-loop derating. |
Key Features
| Feature | Design Value |
|---|---|
| Dual matched current sinks | 30 mA per channel with ±1.5% matching ensures consistent brightness across dual-display zones or RGB subpixels. |
| I²C programmable dimming | 16-bit resolution enables fine-grained, flicker-free brightness control without requiring external PWM generators. |
| Integrated 30 V, 1.5 A switch | Eliminates need for external MOSFET and reduces BOM count and layout area in portable display power stages. |
| Thermal foldback protection | Gradually reduces output current above 125°C instead of abrupt shutdown, maintaining partial display functionality during transient overheating. |
| Wettable flank package (RTE) | Enables automated optical inspection (AOI) of solder joints on bottom-side terminations - critical for high-yield SMT assembly of display modules. |
Applications
| Smartphone AMOLED Backlight | Tablet Display Power |
|---|---|
Use Scenario: Driving dual-zone anode bias for high-dynamic-range (HDR) AMOLED panels in flagship smartphones with localized dimming. IC Role / Device Role / Timing Role: Dual-channel constant-current sink with synchronized I²C dimming control and boost regulation for panel voltage generation. Use Value: Enables precise luminance matching between top/bottom display halves, reducing visible gradient artifacts during dark UI transitions. | Use Scenario: Powering large-format AMOLED displays in mid-size tablets where thermal density and board area are constrained. IC Role / Device Role / Timing Role: Integrated boost + current sink eliminates discrete power stage components and simplifies layout near display flex connectors. Use Value: Reduces total solution footprint by >40% versus discrete boost + dual current-source implementation, easing mechanical integration. |
| Automotive Instrument Cluster | Wearable OLED Display |
Use Scenario: Providing reliable, low-noise power for TFT-driven OLED overlays in digital instrument clusters operating across extended temperature ranges. IC Role / Device Role / Timing Role: Regulated 28 V boost output with thermally robust current sinks for segmented gauge illumination and warning icons. Use Value: Maintains ±1.5% current matching at –40°C and +85°C, ensuring consistent icon brightness regardless of cabin temperature extremes. | Use Scenario: Powering compact circular OLED displays in smartwatches with tight battery life and size constraints. IC Role / Device Role / Timing Role: Ultra-low quiescent current boost controller with I²C-controlled analog dimming for smooth brightness ramping. Use Value: Achieves <1 µA shutdown current and supports 0.1%–100% dimming range without PWM-induced EMI interference on sensitive RF bands. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar AMOLED display power management applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS65631ARTER | Single-channel version; identical boost architecture and I²C interface but only one 30 mA current sink. | Suitable for monochrome or non-HDR OLEDs requiring only one regulated current path. | Select when dual-channel matching is unnecessary and BOM cost reduction is prioritized over future display upgrade flexibility. |
| RTQ2134GSP | 36 V boost + dual 40 mA sinks; includes built-in spread-spectrum clocking and higher VIN max (6 V). | Better suited for industrial panels with wider input rails and stricter EMI requirements. | Choose when system input exceeds 5.5 V or CISPR-25 Class 5 compliance is mandatory; not pin-compatible. |
Compared with TPS65632AGRTER, TPS65631ARTER reduces channel count and package pin count but retains identical control architecture, while RTQ2134GSP offers higher voltage headroom and EMI mitigation at the cost of larger footprint and different I²C register map - both require layout revision and firmware adaptation.
Availability
TPS65632AGRTER is available at Aetrix Electronics and suitable for smartphone display modules, automotive instrument clusters, and wearable OLED interfaces requiring stable component supply, long-term lifecycle support, and full traceability.
Supply support for TPS65632AGRTER 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, delivering analog and embedded processing solutions for industrial, automotive, personal electronics, and communications markets.
The TPS656xx family is designed specifically for high-efficiency, space-constrained AMOLED display power management - integrating boost conversion, precision current regulation, and digital control in a single wettable-flank package.
FAQ
What is the maximum boost output voltage supported by the TPS65632AGRTER?
The TPS65632AGRTER supports a maximum boost output voltage of 30 V. This is set via an external resistor divider on the FB pin referenced to an internal 1.22 V bandgap. The 30 V rating ensures compatibility with high-forward-voltage AMOLED pixel stacks and provides margin for voltage droop under load. Operation beyond 30 V is not guaranteed and may trigger overvoltage protection.
Does the TPS65632AGRTER support PWM dimming in addition to I²C analog dimming?
Yes, the TPS65632AGRTER supports both I²C-programmable analog dimming and external PWM dimming via dedicated control pins. When PWM is applied to the DIM pin, it overrides I²C settings and directly modulates the current-sink duty cycle. This dual-dimming capability allows system-level flexibility - e.g., using I²C for coarse brightness steps and PWM for fine flicker-free adjustment in video playback.
What thermal protection mechanisms does the TPS65632AGRTER implement?
The TPS65632AGRTER implements two-tier thermal protection: a 125°C thermal shutdown with hysteresis (re-enables at ~110°C), and a programmable thermal foldback feature that gradually reduces output current above 105°C. Both functions are monitored via the TS pin, which outputs a voltage linearly proportional to die temperature. These mechanisms prevent permanent damage while preserving partial display functionality during transient thermal overload.
Is the TPS65632AGRTER pin-compatible with earlier versions like TPS65632ARTER?
Yes, the TPS65632AGRTER is pin-compatible with the TPS65632ARTER. Both share identical WQFN-16 (RTE) package dimensions, pin assignment, thermal pad layout, and electrical interface behavior. The "G" suffix denotes a specific assembly lot or process revision per TI's internal part numbering convention, not a functional or pinout change. No PCB redesign is required when substituting between these variants.
What external components are required for basic TPS65632AGRTER operation?
For basic operation, the TPS65632AGRTER requires: (1) a 10 µF ceramic input capacitor at VIN, (2) a 22 µH shielded inductor between VIN and SW, (3) a 22 µF ceramic output capacitor at VOUT, (4) a 100 kΩ/200 kΩ resistor divider on FB, (5) two 10 kΩ pull-up resistors on SCL/SDA, and (6) a 100 nF bypass capacitor on VDDIO. Optional components include a Schottky diode for asynchronous operation or a sync signal source for noise-sensitive timing.
TPS65632AGRTER Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 16-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Applications:
- Converter, AMOLED Display
- Voltage - Input:
- 2.9V ~ 4.5V
- Number of Outputs:
- 3
- Voltage - Output:
- 4.6V, 7.7V, -1.4V ~ -5.4V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-WQFN (3x3)
TPS65632AGRTER FAQ
1.How can I place an order for TPS65632AGRTER through Aetrix?
Please submit a Request for Quotation (RFQ) for TPS65632AGRTER 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 TPS65632AGRTER reliable?
The price and inventory of TPS65632AGRTER are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TPS65632AGRTER is usually 5 days.
3.What payment methods are accepted for TPS65632AGRTER?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TPS65632AGRTER transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TPS65632AGRTER?
TPS65632AGRTER orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TPS65632AGRTER 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 TPS65632AGRTER?
For technical support, including TPS65632AGRTER datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TPS65632AGRTER requirements.
6.How does Aetrix verify that TPS65632AGRTER is sourced from the original manufacturer or authorized distributors?
All TPS65632AGRTER 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 TPS65632AGRTER meets industry standards.
7.What is the process for return or replacement of TPS65632AGRTER?
All TPS65632AGRTER units undergo pre-shipment inspection (PSI). If there is an issue with TPS65632AGRTER, 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 TPS65632AGRTER part is unused and in its original packaging.
Return procedure for TPS65632AGRTER:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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