Texas Instruments TLC69638QRTQRQ1
Manufacturer No:
TLC69638QRTQRQ1
Manufacturer:
Texas Instruments
Package:
Description:
Automotive, 48-channel, 100mA, functional safety-compliant local dimming backlight LED driver
Quantity:
In Stock :8753
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Expected Shipping：Sat, May 30 - Sun, May 31, 2026
Lead Time：Inquire about availability
Date Code：Within 2 Years
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TLC69638QRTQRQ1 Information
Texas Instruments TLC69638QRTQRQ1 technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments TLC69638QRTQRQ1.
- Type
- Parameter
- Number of channels
- 48
- Rating
- Automotive
- TI functional safety category
- Functional Safety-Compliant
- Operating temperature range (°C)
- -40 to 125
- Vin (min) (V)
- 3
- Vin (max) (V)
- 5.5
- Features
- Adjacent-Pin Short Detection, CRC, Hybrid Dimming/Phase Shift, LED Open Detection, LED Short Detection, LED Short to Ground Detection, Local dimming, Spread Spectrum
- Package
- HTSSOP (DCA)
- Pins
- 56
- Size
- 113.4 mm² 14 x 8.1
- Type
- Parameter
- Package
- VQFN (RTQ)
- Pins
- 56
- Size
- 64 mm² 8 x 8
- REACH Status
- Yes
- RoHS Status
- RoHS Compliant
Download datasheets and manufacturer documentation for Texas Instruments TLC69638QRTQRQ1.
Data sheet:
User guide:
The TLC69638-Q1 is an LED driver with 48 constant current sink channels, which can provide up to 16-bit individual pixel-level LED PWM control. The additional 7-bit dot correction (DC) is also implemented to each channel to control peak current. Each device shares data stream by serial peripheral interface (SPI), which supports up to 511 devices connection. The interface is software compatible with LED drivers in the same group which can be applied to different application scenarios based on LED current and total LED number.
To optimize overall systematic power efficiency, the device is equipped with adaptive headroom voltage control (AHVC) scheme to optimize headroom voltage across each channel and device. Only the OUT47 pin from the last device of daisy chain is required to be programmed as FB pin to optimize LED supply voltage from DC/DC.
The TLC69638-Q1 is equipped diagnostics for LED, current sink, communication, and device.
- AEC-Q100 qualified for automotive applications
- Grade 1: –40°C to 125°C ambient operating temperature
- Device HBM classification level H1C
- Device CDM classification level C4B
- Functional Safety-Compliant
- Developed for functional safety applications
- Documentation available to aid ISO 26262 system design up to ASIL B targeted
- 48 integrated current sinks
- Programmable 16-bit PWM / hybrid dimming
- Programmable 7-bit analog dot correction (DC)
- Maximum output current, voltage: 100mA, 16V
- Integrated 33MHz oscillator
- 16-bit PWM output in 500Hz
- > 20KHz refresh rate with enhanced spectrum (ES) PWM
- High-speed communication
- Serial peripheral interface (SPI)
- Data rates up to 17Mbps
- Power efficiency optimization
- Adaptive headroom voltage control (AHVC)
- Device power save mode (PSM)
- EMI mitigation
- Interface: programmable buffer driving capability
- Current sinks: phase shifting / spread spectrum
- Protection and diagnostic
- LED: open / short detection / health check
- Current sink: adjacent-pin short / health check
- Interface: CRC / command error / time-out error / communication watchdog
- Device: under voltage / ISET out of range / thermal shutdown / memory CRC / OTP CRC / OSC watchdog
AIChipLink – Your Trusted Electronic Components Distributor
12.28 M
Listed Part Number
3,000+
Leading Manufacturers
4.9 M
In-stock SKU
15,000+
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