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TPS92601-Q1
- 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
The TPS9260x-Q1 family of devices is a single-channel and dual-channel high-side-current LED driver. With full protection and diagnostics, this family of devices is dedicated for and ideally suited to automotive front lighting. The base of each independent driver is a peak-current-mode boost controller. Each controller has two independent feedback loops, a current-feedback loop with a high-side current-sensing shunt and a voltage-feedback loop with an external resistor-divider network. The controller delivers a constant output voltage or a constant output current. The connected load determines whether the device regulates a constant output current (if the circuit reaches the current set-point earlier than voltage set-point) or a constant output voltage (if the circuit reaches the voltage set-point is reached first, for example, in an open-load condition).
Each controller supports all typical topologies such as boost, boost-to-battery, SEPIC, or flyback.
Uses of the high-side PMOS FET driver are for PWM dimming of the LED string and for cutoff in case of an external short circuit to GND to protect the circuit.
기술 자료
| 유형 | 직함 | 날짜 | ||
|---|---|---|---|---|
| * | Data sheet | TPS9260x-Q1 Single- and Dual-Channel Automotive Headlight LED Driver datasheet (Rev. E) | PDF | HTML | 2018/07/12 |
| White paper | LED Drivers for Automotive Exterior Applications (Rev. B) | 2018/03/27 |
설계 및 개발
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주문 및 품질
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- REACH
- 디바이스 마킹
- 납 마감/볼 재질
- MSL 등급/피크 리플로우
- MTBF/FIT 예측
- 물질 성분
- 인증 요약
- 지속적인 신뢰성 모니터링
- 팹 위치
- 조립 위치
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