전력 관리 LED 드라이버 차량용 LED 드라이버

TPS92624-Q1

활성

열 공유를 지원하는 차량용 4채널 고압측 LED 드라이버

제품 상세 정보

Number of channels 4 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.6 Iq (typ) (mA) 2 Features Fault Detection, Fault Diagnostic, LED Open Detection, LED Short Detection, LED Short to Ground Detection, Overtemperature protection, PWM Dimming, Thermal Sharing, Thermal shutdown
Number of channels 4 Topology Current Source Rating Automotive Operating temperature range (°C) -40 to 125 Vin (min) (V) 4.5 Vin (max) (V) 40 Vout (min) (V) 0 Vout (max) (V) 40 Iout (max) (A) 0.6 Iq (typ) (mA) 2 Features Fault Detection, Fault Diagnostic, LED Open Detection, LED Short Detection, LED Short to Ground Detection, Overtemperature protection, PWM Dimming, Thermal Sharing, Thermal shutdown
HTSSOP (PWP) 20 41.6 mm² (6.5 mm × 6.4 mm)
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Four high-precision current regulation:
    • Up to 150-mA current output for each channel
    • ±5% accuracy over full temperature range
    • Independent current setting by resistor
    • Independent PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 600 mV for 150 mA
  • Diagnostics and protection
    • LED open-circuit with auto-recovery
    • LED short-to-GND with auto-recovery
    • Diagnostic enable with adjustable threshold
    • Fault bus configurable as either one-fails–all-fail or only-failed-channel off (N-1)
    • Thermal shutdown
  • Operation junction temperature range:–40°C to 150°C
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to 125°C, TA
  • Wide input voltage range: 4.5 V to 40 V
  • Thermal sharing by external shunt resistor
  • Low supply current in fault mode
  • Four high-precision current regulation:
    • Up to 150-mA current output for each channel
    • ±5% accuracy over full temperature range
    • Independent current setting by resistor
    • Independent PWM pin for brightness control
  • Low dropout voltage:
    • Maximum dropout: 600 mV for 150 mA
  • Diagnostics and protection
    • LED open-circuit with auto-recovery
    • LED short-to-GND with auto-recovery
    • Diagnostic enable with adjustable threshold
    • Fault bus configurable as either one-fails–all-fail or only-failed-channel off (N-1)
    • Thermal shutdown
  • Operation junction temperature range:–40°C to 150°C

The TPS92624-Q1 four-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92624-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 150 mA per channel. External shunt resistors are leveraged to share output current and dissipate power out of the driver. The device’s full-diagnostic capabilities include LED open, LED short-to-GND circuit and device overtemperature protection.

The one-fails–all-fail feature of TPS92624-Q1 is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9262x-Q1, TPS92630/8-Q1, and TPS92830-Q1 devices, to address different requirements.

The TPS92624-Q1 four-channel LED driver includes a unique thermal management design to reduce temperature rising on the device. The TPS92624-Q1 is a linear driver directly powered by automotive batteries with large voltage variations to output full current loads up to 150 mA per channel. External shunt resistors are leveraged to share output current and dissipate power out of the driver. The device’s full-diagnostic capabilities include LED open, LED short-to-GND circuit and device overtemperature protection.

The one-fails–all-fail feature of TPS92624-Q1 is able to work together with other LED drivers, such as the TPS9261x-Q1, TPS9262x-Q1, TPS92630/8-Q1, and TPS92830-Q1 devices, to address different requirements.

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기술 자료

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* 데이터 시트 TPS92624-Q1 Four-Channel, Automotive High Side LED Driver with Thermal Sharing Control datasheet (Rev. A) PDF | HTML 2022. 3. 21
인증서 TPS92624-Q1EVM EU RoHS Declaration of Conformity (DoC) 2021. 11. 5
사용 설명서 TPS92624-Q1EVM User's Guide PDF | HTML 2021. 9. 28

설계 및 개발

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평가 보드

TPS92624-Q1EVM — 열 공유를 지원하는 오토모티브 4채널 고압측 LED 드라이버를 위한 TPS92624-Q1 평가 모듈

TPS92624Q1EVM은 차량용 조명 애플리케이션을 위한 완전한 LED 진단을 지원하는 TPS92624-Q1의 작동과 성능을 평가합니다.

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계산 툴

SLVRBM4 — TPS92624-Q1 External Components Calculation Tool

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