代理產線

車燈-TLE4242EJ

 2015-01-21

【基本資料】

【產品特性】

•Adjustable constant current up to 500 mA (±5%)
•Wide input voltage range up to 42 V
•Open load detection
•Over temperature protection
•Short circuit proof
•Reverse polarity protection
•Temp. range: -40 °C to 150 °C
•Output current adjustable through external low power resistors
•Wide supply voltage range 5.5…40V
•Over Load and Over Temperature protection
•PWM via external PWM signal via EN or VS

Optional features
•N-1 detection functionality or Open Load and Short Circuit Detection
•Integrated PWM dimming engine to provide two LED brightness levels only with RC-network
•Matrix setup with DC/DC buck or boost converter – Infineon® Dynamic Overhead Control
•Integrated short circuit protection with high temperature current reduction

【產品應用】

RCL

【文字介紹】

The TLE4242EJ is an integrated adjustable constant current source driving loads up to 500 mA. The output current level can be adjusted via an external resistor. The IC is designed to supply high power LEDs under the severe conditions of automotive applications resulting in constant brightness and extended LED lifetime. It is provided in the surface mounted PG-DSO-8-27 package. Protection circuits prevent damage to the device in case of over load, short circuit, reverse polarity and overheat. The connected LEDs are protected against reverse polarity as well as over voltages up to 45 V.
The integrated PWM input of the TLE4242EJ permits LED brightness regulation by pulse width modulation. Due to the high input impedance of the PWM input the LED driver can be operated as a protected high side switch.

DataSheet
http://www.infineon.com/cms/en/product/power/led-driver-ic-and-lighting-ic/auto-led-driver/linear-led-driver/TLE4242EJ/productType.html?productType=db3a3044446cd73401447912bce60e67