Single- and Dual-Channel Automotive Headlight LED Driver
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TPS92601-Q1, TP...
Description
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Technical Documents
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Reference Design
TPS92601-Q1, TPS92602-Q1
SLUSBP5E – MARCH 2014 – REVISED JULY 2018
TPS9260x-Q1 Single- and Dual-Channel Automotive Headlight LED Driver
1 Features
1 Qualified for Automotive Applications AEC-Q100 Qualified With the Following Results:
– Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature
– Device HBM ESD Classification Level 2 – Device CDM ESD Classification Level C4B Input Voltage: 4 V–40 V (45 V Abs. Max.) Output Voltage: 4 V–75 V (80 V Abs. Max.) Fixed-Frequency Current-Mode Controller With Integrated Slope Compensation Two Regulation Loops, Constant-Current Output and Constant-Voltage Output of Each Channel High-Side Current Sense: – 150-mV or 300-mV Sense Voltage (EEPROM
Option) – ±6-mV Offset (Achieving Approx. 4% or 2%
LED Current Accuracy) Output Voltage Sense, Internal Voltage
Reference: 2.2 V ±5% Integrated Low-Side NMOS-FET Driver: Peak
Gate-Drive Current Typ. 0.7 A Frequency Synchronization Both PWM Dimming and Analog Dimming Diagnostic:
– High-Side Current (LED Current) Available as Analog Output
– Open-LED and Short-to-GND Detection – Shorted Output Protection Internal Under- and Overvoltage Lockout
2 Applications
Automotive Headlight LED Driver High-Brightness LED Applications
3 Description
The TPS9260x-Q1 family of devices is a singlechannel and dual-channel high-side-current LED driver. With full protectio...
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