最新消息: Single-channel High Integrated Dimmable LED Controller for Automotive Headlight: TS19501CB10H

11/26/19

TS19501CB10H is a single channel LED driver of low-side-current sense. This device can operate in DCM, BCM and CCM mode with full protection and diagnostics. This device is fully dedicated and suitable for automotive headlight. This controller supports typical topologies such as Boost, Buck-Boost and SEPIC.
Output current regulation is based on average current mode control supervised by a control loop. The fault flag is connected to pull-up resistor from VDC for highlighting the information of fault and fault status flag is latched by the timer when output is low.

 

KEY FEATURES & ADVANTAGES:
■ AEC-Q100 qualified with the following results:
   Device temperature grade 1: -40°C to 125°C
   Device HBM ESD classification level H2
   Device CDM ESD classification level C6
■ Drives LEDs in Boost, Buck-Boost and SEPIC Topology
■ Operation in DCM, BCM, CCM mode
■ Input Voltage 4.5V ~ 38V (42V Abs. Max.)
■ Adjustable Switching Frequency 70k ~ 700kHz
■ Low-Side Current Sense
■ Internal Voltage Reference 150mV ±3.3%
■ Both PWM Dimming and Analog Dimming
■ Over Voltage Protection (OVP)
■ Over Current Protection (OCP)
■ Over Temperature Protection (OTP)
■ Under Voltage Lockout (UVLO)
■ Jitter function for effective spread spectrum to reduce EMI
■ Fault Status flag and Internal Soft Start

APPLICATION:
■ Automotive LED Lighting:
   Daytime Running Light,
   Turn indicator, Position Light,
   High and low Beam, Fog Light
■ General Lighting Applications
■ High Brightness LED Applications

 

PART NUMBER TOPOLOGY

INPUT
VOLTAGE
MIN.

[V]

INPUT
VOLTAGE
MAX.

[V]

LED
CURRENT
MAX.

[A]

SWITCHING
FREQUENCY
MAX.

[kHz]

DIMMING

REFERENCE
VOLTAGE

[mA]

STANDBY
CURRENT

[μA]

TS19501CB10H Buck-Boost, Boost, SEPIC 4.5 42 Ext. N-MOS 700 PWM
Analog
150 150
Lighting IC
直流-直流 LED 照明IC
TS19501CB10H
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