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Product Details
Seat Switch ASIC (sheet semiconductor)
Seat Switch ASIC is a dedicated semiconductor for switch modules that operate the car seat heating wires and ventilation.
Advantages
Integration of peripheral devices(system cost reduction through PCB optimization)
LIN communication support(exchange of information through single wire LIN BUS)
Seat Switch ASIC is a product optimal for automotive seat heating wire and ventilation switch applications.
Major Functions & Features
Major Specification
LIN | LIN specification 2.1 compliant |
Built-in LIN Transceiver & Controller | |
Switch Interface | Built-in independent 4-channel switch input and adjustable timer |
Built-in De-bounce Filter for switch chattering noise filtering | |
LED Driver | Integrated 12-Channel Independent LED Driver |
Built-in overcurrent limiting circuit | |
Built-in PWM with 8-bit resolution for LED photosensitivity control | |
LDO & OSC | Built-in 3.3V/5V Voltage Regulator |
Built-in RC-Oscillator(10MHz) | |
Protection | Built-in temperature protection circuit |
Built-in undervoltage and overvoltage detection circuit |
Basic Specification
Operating Temperature | -40℃ ~ 125℃ |
Operating Supply Voltage | 6V ~ 19V |
Package Size | 32 pin Exposed-TQFP (7mm x 7mm) |
Qualification | AEC-Q100(Grade 1) / MSL 3 Level / PB-Free / RoHS |
LIN | Transmission rates up to 20Kbps |
Switch Interface | Low threshold typ. 2V / High threshold typ. 3V |
LED Driver | ON resistance typ. 45ohm / Over current limit typ. 27mA |
LDO | 5V LDO(5V ± 5%) / 3.3V LDO(3.3V ± 5%) |
Under/Over voltage Lockout | Under voltage lockout typ. 6.2V / Over voltage lockout typ. 17.4V |
Product Picture
Application Example