TPS61193-Q1 - TPS61193-Q1 用于汽车照明的低 EMI、高性能 3 通道 LED 驱动器

TPS61193-Q1是TI德州仪器公司的一款汽车类LED驱动器产品，TPS61193-Q1是TPS61193-Q1 用于汽车照明的低 EMI、高性能 3 通道 LED 驱动器，本站介绍了TPS61193-Q1的封装应用图解、特点和优点、功能等，并给出了与TPS61193-Q1相关的TI元器件型号供参考。

TPS61193-Q1 - TPS61193-Q1 用于汽车照明的低 EMI、高性能 3 通道 LED 驱动器 - 汽车类LED驱动器 - LED驱动器 - 德州仪器

产品特性

Qualified for Automotive Applications
AEC-Q100 Qualified With the Following Results:
- Device Temperature Grade 1: -40°C to 125°C Ambient Operating Temperature Range
- Device HBM ESD Classification Level 2
- Device CDM ESD Classification Level C4B
Input Voltage Operating Range 4.5 V to 40 V
Three High-Precision Current Sinks
- Current Matching 1% (typical)
- Output Current up to 100 mA per Channel
- Outputs can be combined externally for higher current per string
High Dimming Ratio 10 000:1 at 200 Hz
Integrated DC-DC for LED String Power
- Boost and SEPIC modes supported
- Output Voltage up to 45 V
- Switching Frequency 300 kHz to 2.2 MHz
EMI Minimization
- DC-DC Synchronization Input
- Spread Spectrum Option
Extensive Fault Detection Features
- Fault Output
- Input Voltage OVP and UVLO
- Open and Shorted LED Fault Detection
- Thermal Shutdown
Minimum Number of External Components

产品应用

Automotive Infotainment, Instrument Clusters, and Backlighting Systems

产品说明

The TPS61193-Q1 is an automotive high-efficiency, low-EMI, easy-to-use LED driver with integrated DC-DC converter. DC-DC converter supports both boost and SEPIC mode operation. Device has three high-precision current sinks that can provide high dimming ratio brightness control with a PWM input signal.

The DC-DC converter has adaptive output voltage control based on the LED current sink headroom voltages. This feature minimizes the power consumption by adjusting the voltage to the lowest sufficient level in all conditions. DC-DC supports spread spectrum for switching frequency and an external synchronization with dedicated pin. The high switching frequency allows the TPS61193-Q1 to avoid disturbance for AM radio band.

The input voltage range for the TPS61193-Q1 is from 4.5 V to 40 V to support automotive stop/start and load dump condition. The device supports PWM brightness dimming ratio 10 000:1 for 200-Hz input PWM frequency. The TPS61193-Q1 integrates extensive fault detection features.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
TPS61193-Q1	HTSSOP (20)	6.50 mm × 4.40 mm

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