전력 관리 LED 드라이버 차량용 LED 드라이버

LM3406HV-Q1

활성

고전력 LED 구동용 1.5A 오토모티브 정전류 벅 레귤레이터

제품 상세 정보

Number of channels 1 Topology Buck Rating Automotive Operating temperature range (°C) -40 to 150 Vin (min) (V) 6 Vin (max) (V) 75 Vout (min) (V) 0.2 Vout (max) (V) 73 Iout (max) (A) 1.5 Iq (typ) (mA) 1.2 Switching frequency (max) (kHz) 1000 Features Adjustable Switch Frequency, Enable/Shutdown, Integrated Switch, Power good, Soft Start, Thermal shutdown
Number of channels 1 Topology Buck Rating Automotive Operating temperature range (°C) -40 to 150 Vin (min) (V) 6 Vin (max) (V) 75 Vout (min) (V) 0.2 Vout (max) (V) 73 Iout (max) (A) 1.5 Iq (typ) (mA) 1.2 Switching frequency (max) (kHz) 1000 Features Adjustable Switch Frequency, Enable/Shutdown, Integrated Switch, Power good, Soft Start, Thermal shutdown
HTSSOP (PWP) 14 32 mm² (5 mm × 6.4 mm)
  • LM3406HV-Q1
    • Automotive Grade Device
    • AEC-Q100 Grade 1 Qualified
    • Operating Ambient Temperature: –40°C to 125°C
  • Integrated 2.0A MOSFET
  • VIN Range 6V to 42V (LM3406)
  • VIN Range 6V to 75V (LM3406HV)
  • VIN Range 6V to 75V (LM3406HV-Q1)
  • True Average Output Current Control
  • 1.7A Minimum Output Current Limit Over Temperature
  • Cycle-by-Cycle Current Limit
  • PWM Dimming with Dedicated Logic Input
  • PWM Dimming with Power Input Voltage
  • Simple Control Loop Compensation
  • Low Power Shutdown
  • Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
  • Thermal Shutdown Protection
  • TSSOP-14 Package
  • LM3406HV-Q1
    • Automotive Grade Device
    • AEC-Q100 Grade 1 Qualified
    • Operating Ambient Temperature: –40°C to 125°C
  • Integrated 2.0A MOSFET
  • VIN Range 6V to 42V (LM3406)
  • VIN Range 6V to 75V (LM3406HV)
  • VIN Range 6V to 75V (LM3406HV-Q1)
  • True Average Output Current Control
  • 1.7A Minimum Output Current Limit Over Temperature
  • Cycle-by-Cycle Current Limit
  • PWM Dimming with Dedicated Logic Input
  • PWM Dimming with Power Input Voltage
  • Simple Control Loop Compensation
  • Low Power Shutdown
  • Supports All-Ceramic Output Capacitors and Capacitor-less Outputs
  • Thermal Shutdown Protection
  • TSSOP-14 Package

The LM3406 family are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 2.0A (typical) for step-down (Buck) regulators. Controlled on-time with true average current and an external current sense resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. LED dimming via pulse width modulation (PWM) is achieved using a dedicated logic pin or by PWM of the power input voltage. The product feature set is rounded out with low-power shutdown and thermal shutdown protection.

The LM3406 family are monolithic switching regulators designed to deliver constant currents to high power LEDs. Ideal for automotive, industrial, and general lighting applications, they contain a high-side N-channel MOSFET switch with a current limit of 2.0A (typical) for step-down (Buck) regulators. Controlled on-time with true average current and an external current sense resistor allow the converter output voltage to adjust as needed to deliver a constant current to series and series-parallel connected LED arrays of varying number and type. LED dimming via pulse width modulation (PWM) is achieved using a dedicated logic pin or by PWM of the power input voltage. The product feature set is rounded out with low-power shutdown and thermal shutdown protection.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
다른 핀 출력을 지원하지만 비교 대상 장치와 동일한 기능.
TPS92515HV-Q1 활성 통합 NFET 및 전류 보정 기능을 갖춘 65V 오토모티브 2A 션트 PWM 조광 가능 LED 드라이버 This product is an integrated NFET controlled off-time buck LED driver with power-up output current calibration, and supports input voltage up to 65 V.

기술 자료

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* 데이터 시트 LM3406/06HV 1.5A Constant Current Buck Regulator for Driving High Power LEDs datasheet (Rev. E) 2014. 2. 17
백서 LED Drivers for Automotive Exterior Applications (Rev. B) 2018. 3. 27

설계 및 개발

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평가 보드

LM3406HVEVAL — LM3406 - 고전류 LED 구동용 1.5A 고전압, 정전류 벅 레귤레이터 EVM

The LM3406HV is a buck regulator controlled current source designed to drive a series string of high power, high brightness LEDs (HBLEDs) at forward currents of up to 1.5A. The converter`s output voltage adjusts as needed to maintain a constant current through the LED array.

The LM3406HV circuit and (...)

사용 설명서: PDF
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