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Texas Instruments TLC69610QPWPRQ1
- Part No.:
- TLC69610QPWPRQ1
- Manufacturer:
- Texas Instruments
- Category:
- LED Drivers
- Package:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Datasheet:
-
TLC69610QPWPRQ1.pdf
- Description:
- AUTOMOTIVE 8-SCAN MOSFET CONTROL
- Quantity:
- Payment:
- Shipping:
Inventory:3,606
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Product details
Overview
TLC69610QPWPRQ1 from Texas Instruments is an AEC-Q100 Grade 1 automotive scan MOSFET controller designed to drive P-channel MOSFETs in LCD local dimming backlight systems. It delivers 60mA per channel at up to 20V, supports daisy-chained operation for up to 1024 devices, and integrates UART/INT and SOUT/CLK_O diagnostic readback for thermal shutdown, LED open/short detection. It enables high-contrast display control in automotive central information displays.
For engineers reviewing the TLC69610QPWPRQ1 datasheet, TLC69610QPWPRQ1 pinout, TLC69610QPWPRQ1 application, or TLC69610QPWPRQ1 equivalent, key selection criteria include its 60mA/20V channel drive capability, HTSSOP-28 wettable flank package with PowerPAD™ thermal pad, 20MHz daisy-chain interface, adaptive headroom voltage control for DC/DC optimization, and functional safety documentation support.
Technical Context
The TLC69610QPWPRQ1 implements a full-array local dimming controller architecture that interfaces with current-sink drivers (TLC696x2/4/8-Q1) to achieve 2×/4×/8× time-multiplexed scanning. It integrates 16 constant-current sinks and ghost-cancellation circuitry to eliminate upside ghosting in segmented LED backlights.
Its adaptive headroom voltage control scheme directly regulates external DC/DC converters via a single FB pin from the last device in the chain, reducing system component count and layout complexity. Diagnostics include three error flags-LED open detection (LOD), LED short detection (LSD), and thermal shutdown detection (TSD)-with programmable readback via UART/INT or two-wire SOUT/CLK_O.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Channel Drive Capability | 60mA per channel at up to 20V - enables direct driving of high-side P-MOSFETs for local dimming zones without external amplification |
| Operating Voltage Range | 3V to 5.5V VCC - compatible with standard automotive 3.3V and 5V supply rails |
| Daisy-Chain Data Rate | Up to 20MHz - supports fast update latency for black insertion and variable refresh rate (VRR) display features |
| Temperature Grade | AEC-Q100 Grade 1: –40°C to +125°C - qualified for under-hood and instrument cluster environments |
| ESD Ratings | HBM Level 2 (2kV), CDM Level C4B (1.5kV) - meets automotive robustness requirements for assembly and field operation |
| Diagnostic Outputs | UART + INT pin or CLK_O + SOUT - provides flexible, register-programmable fault reporting without requiring additional MCU GPIOs |
Pinout & Package
Package: HTSSOP-28 (PWP) with PowerPAD™ thermal pad; 9.7mm × 4.4mm body size; wettable flank leads for automated optical inspection (AOI) and solder joint reliability verification.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC | Supply input | Primary power rail (3–5.5V); powers internal logic and output drivers |
| GND | Ground reference | Common return path for logic, analog, and thermal pad; must be low-impedance connection to PCB ground plane |
| CLK_I / CLK_O | Clock input/output | Enables synchronous daisy-chain timing; CLK_O drives next device's CLK_I for cascaded configuration |
| SIN / SOUT | Data input/output | Serial data path for configuration and diagnostic readback; supports 20MHz operation with 1.8V/3.3V I/O compatibility |
| FB | Feedback input | Single-point connection point for adaptive headroom control - only the final device's FB connects to DC/DC converter |
| INT | Interrupt output | Active-low open-drain flag indicating LOD, LSD, or TSD event; reduces polling overhead in host MCU firmware |
| GPIO0–GPIO7 | General-purpose outputs | Configurable as scan enable signals or auxiliary control lines for synchronized MOSFET gate timing |
Key Features
| Feature | Design Value |
|---|---|
| Ghost-cancellation function | Eliminates visual artifacts (upside ghosting) in time-multiplexed local dimming by synchronizing scan timing and current sink settling |
| Adaptive headroom voltage control | Reduces power loss and heat generation by dynamically adjusting DC/DC output voltage to match real-time LED forward voltage requirements |
| Programmable interface drive strength | Minimizes EMI emissions in high-speed daisy chains by allowing slew-rate tuning of CLK_I/SIN signals |
| Minimum brightness update latency | Enables rapid dimming transitions required for black insertion and motion blur reduction in automotive HUD and cluster displays |
| Two-wire diagnostic readback (SOUT/CLK_O) | Provides fault reporting using only two pins - preserves MCU pin count while supporting diagnostics in space-constrained automotive modules |
Applications
| Automotive Central Information Display | Automotive Cluster Display |
|---|---|
Use Scenario: High-resolution infotainment screen requiring dynamic local dimming for contrast enhancement and glare reduction in daylight and nighttime conditions. IC Role / Device Role / Timing Role: Scan MOSFET controller coordinating P-MOSFET switching across 16+ backlight zones in time-multiplexed fashion with ghost cancellation. Use Value: Enables >10,000:1 contrast ratio and eliminates visual artifacts during fast UI transitions, meeting OEM display quality targets. | Use Scenario: Digital instrument cluster with variable content density and ambient light adaptation, demanding precise dimming control across multiple sub-zones. IC Role / Device Role / Timing Role: Local dimming sequencer managing independent current sinks and MOSFET timing to maintain uniform luminance while minimizing power consumption. Use Value: Reduces average backlight power by up to 40% versus global dimming, extending display lifetime and lowering thermal load on cluster PCB. |
| Automotive Head-Up Display (HUD) | Advanced Driver Assistance System (ADAS) Display |
Use Scenario: Compact HUD projector module where optical efficiency and thermal management are critical due to confined space and proximity to windshield. IC Role / Device Role / Timing Role: Adaptive headroom controller interfacing with DC/DC converter to minimize voltage overhead and reduce heat generation in LED driver stage. Use Value: Lowers junction temperature of LED array by ~8°C compared to fixed-headroom design, improving HUD brightness stability over temperature. | Use Scenario: Safety-critical ADAS display overlay requiring guaranteed fault detection and fail-safe dimming behavior during camera/LiDAR fusion rendering. IC Role / Device Role / Timing Role: Functional safety-capable controller providing LOD/LSD/TSD diagnostics with configurable readback via UART or two-wire interface. Use Value: Supports ASIL-B decomposition by delivering certified diagnostic coverage metrics and enabling safe state entry within <50ms of fault detection. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar scan MOSFET controller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLC69610QRTWRQ1 | Same electrical specs and register map, but in 24-pin WQFN (RTW) with 4mm × 4mm wettable flank package and Level-1 MSL rating | Better thermal performance and smaller footprint; suited for space-constrained HUD or ADAS modules with high reflow tolerance | Select when board area is limited and thermal pad soldering is feasible; requires updated land pattern and stencil design |
| TLC69660QPWPRQ1 | 60mA/50V channel drive vs. TLC69610QPWPRQ1's 60mA/20V - higher voltage headroom for legacy LED strings or future-proofing | Supports wider range of LED forward voltages (e.g., 48V automotive lighting rails); not needed for standard 20V backlight designs | Choose only if system uses >20V LED strings or requires extended voltage margin; otherwise, TLC69610QPWPRQ1 offers optimal cost/performance balance |
Compared with TLC69610QRTWRQ1 and TLC69660QPWPRQ1, the TLC69610QPWPRQ1 provides the best trade-off of proven HTSSOP-28 manufacturability, thermal performance via PowerPAD™, and precise 20V channel compliance for mainstream automotive LCD backlight applications - avoiding unnecessary voltage overhead or package redesign effort.
Availability
TLC69610QPWPRQ1 is available at Aetrix Electronics and suitable for automotive central information displays, digital instrument clusters, and head-up displays requiring stable component supply, AEC-Q100 qualification, and functional safety documentation support.
Supply support for TLC69610QPWPRQ1 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 automotive ICs, with decades of leadership in automotive-grade power management and display interface solutions.
The TLC696x0-Q1 product line was developed specifically for high-reliability, full-array local dimming control in automotive LCD backlight systems - emphasizing thermal resilience, diagnostic completeness, and seamless integration with TI's TLC696x2/4/8-Q1 current-sink drivers.
FAQ
What is the maximum number of TLC69610QPWPRQ1 devices that can be daisy-chained?
The TLC69610QPWPRQ1 supports up to 1024 devices in a daisy-chain configuration, enabling large-scale local dimming arrays for ultra-high-resolution automotive displays. This scalability is achieved through its high-speed 20MHz serial interface and dedicated CLK_O/SOUT outputs that propagate timing and data to subsequent devices without external buffering.
Does TLC69610QPWPRQ1 support both UART and two-wire diagnostic readback simultaneously?
No - the TLC69610QPWPRQ1 supports UART + INT or SOUT + CLK_O diagnostic readback, selected via configuration register. Both modes provide identical fault detection (LOD, LSD, TSD), but the two-wire option conserves MCU pins and simplifies routing in dense automotive PCB layouts.
What is the purpose of the FB pin on TLC69610QPWPRQ1, and how should it be connected?
The FB pin implements adaptive headroom voltage control. Only the FB pin of the last device in the daisy chain should connect to the feedback node of the external DC/DC converter. This single-point connection ensures coordinated headroom regulation across all devices, minimizing voltage overhead and power loss in the LED driver stage.
How does the ghost-cancellation function in TLC69610QPWPRQ1 improve display quality?
The ghost-cancellation function in TLC69610QPWPRQ1 synchronizes scan timing and current sink settling to suppress residual illumination (upside ghosting) caused by capacitive coupling and slow turn-off in time-multiplexed local dimming. It ensures clean, artifact-free transitions between dimming zones during fast-moving UI content.
Is TLC69610QPWPRQ1 pin-compatible with other members of the TLC696x0-Q1 family?
Yes - all TLC696x0-Q1 variants (TLC69600/10/50/60-Q1) share identical HTSSOP-28 (PWP) and WQFN-24 (RTW) packages and pinouts. This allows hardware reuse across different channel current/voltage requirements (e.g., 30mA/20V → 60mA/20V) without PCB redesign, provided thermal and layout margins accommodate the higher current.
TLC69610QPWPRQ1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 28-PowerTSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- DC DC Controller
- Topology:
- -
- Internal Switch(s):
- No
- Number of Outputs:
- 16
- Voltage - Supply (Min):
- 3V
- Voltage - Supply (Max):
- 5.5V
- Voltage - Output:
- 20V
- Current - Output / Channel:
- 60mA
- Frequency:
- -
- Dimming:
- Yes
- Applications:
- Backlight
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 28-HTSSOP
TLC69610QPWPRQ1 FAQ
1.How can I place an order for TLC69610QPWPRQ1 through Aetrix?
Please submit a Request for Quotation (RFQ) for TLC69610QPWPRQ1 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 TLC69610QPWPRQ1 reliable?
The price and inventory of TLC69610QPWPRQ1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TLC69610QPWPRQ1 is usually 5 days.
3.What payment methods are accepted for TLC69610QPWPRQ1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TLC69610QPWPRQ1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TLC69610QPWPRQ1?
TLC69610QPWPRQ1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TLC69610QPWPRQ1 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 TLC69610QPWPRQ1?
For technical support, including TLC69610QPWPRQ1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TLC69610QPWPRQ1 requirements.
6.How does Aetrix verify that TLC69610QPWPRQ1 is sourced from the original manufacturer or authorized distributors?
All TLC69610QPWPRQ1 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 TLC69610QPWPRQ1 meets industry standards.
7.What is the process for return or replacement of TLC69610QPWPRQ1?
All TLC69610QPWPRQ1 units undergo pre-shipment inspection (PSI). If there is an issue with TLC69610QPWPRQ1, 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 TLC69610QPWPRQ1 part is unused and in its original packaging.
Return procedure for TLC69610QPWPRQ1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TLC69610QPWPRQ1 Tags
-
BCR402RE6327HTSA1
Infineon Technologies
-
BCR430UXTSA2
Infineon Technologies
-
BCR420UE6433HTMA1
Infineon Technologies
-
BCR420UE6327HTSA1
Infineon Technologies
-
BCR421UE6327HTSA1
Infineon Technologies
-
LYT1604D-TL
Power Integrations
-
HV9910CLG-G
Microchip Technology
-
CL2N8-G
Microchip Technology
-
BCR420UW6-7
Diodes Incorporated
-
BCR421UW6-7
Diodes Incorporated
-
BCR420UFD-7
Diodes Incorporated
-
BCR421UFD-7
Diodes Incorporated
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