Body Domain Controller
KCU BCM
面向大型電動巴士與商用車的車身域控制器，整合前後 BCM、燈具、車門、HVAC、雨刷、ADAS/IVI 供電與高密度 24V 負載控制。
產品定位
面向大型電動巴士與商用車的車身域控制器，整合前後 BCM、燈具、車門、HVAC、雨刷、ADAS/IVI 供電與高密度 24V 負載控制。
以 Master BCM 作為代表架構，呈現單顆控制器內部電源、通訊輸入、MCU 與輸出驅動配置。
整合 CAN FD、LIN、Ethernet、MSDI、Analog、Capture Input 與 RTC，銜接 HVAC、T-box、VCU、ADAS/Camera 等系統。
針對 24V 商用車負載設計，涵蓋高側驅動、低側驅動、半橋與高電流供電開關。
系統架構
Supply / Input
Buck-Boost 9-32V to 12V
5V Sensor Supply
CAN0 / CAN1 / CAN2
LIN0
MSDI SG00-SG27
Analog VI00-VI03 / RI00-RI03
Capture CI00-CI03
Ethernet 100BASE-T1
RTC
Control Core
MCU 257p Master
Power Switch / Driver
HSD 30A
HSD 20A
HSD 15A
HSD 5A
HSD 3A
HSD 1A
Half Bridge 4.5A
LSD 3A
主要規格
控制核心
| Architecture | Master BCM reference architecture |
|---|---|
| MCU Pins | 257p |
| Domain | Body domain state machine and distributed I/O control |
| Protocol | Dedicated Inter-BCM protocol over CAN FD |
通訊與輸入
| Vehicle Network | CAN0, CAN1, CAN2, LIN0, Ethernet 100BASE-T1 |
|---|---|
| Digital Input | MSDI SG00-SG27 / SP00-SP15 |
| Analog Input | 0-5V and 0-100K resistive sensor input |
| Capture Input | 0-10 kHz capture input |
電源與供電
| Vehicle Supply | BAT+ / IGN input with ideal diode protection |
|---|---|
| Power Conversion | Buck-Boost 9-32V to 12V |
| Sensor Supply | 12V and 5V sensor supply outputs |
| Power Rails | VDD_HV_A, VDD_5V, VBATP distribution |
輸出驅動
| High Side Switch | 30A / 20A / 15A / 5A / 3A / 1A output groups |
|---|---|
| Half Bridge | 24V / 4.5A half-bridge outputs |
| Low Side Driver | 24V / 3A low-side driver outputs |
| Protection | Open-load, short-to-ground, short-to-battery, over-current and over-temperature diagnosis |
軟體功能
面向大型電動巴士與商用車的車身域控制器，整合前後 BCM、燈具、車門、HVAC、雨刷、ADAS/IVI 供電與高密度 24V 負載控制。
Body Domain State Machine
Door Safety Logic with speed interlock and anti-pinch evaluation
Cooling / fan derating algorithm
Diagnostic Manager and fault aggregation
Lighting strategy engine
Wiper / washer logic with VCU-driven modes
ADAS / IVI power management with delay-off logic
Security Manager with MAC, freshness counter and authentication
Inter-BCM protocol handler
需要 BCM 架構評估或 I/O 客製？
可依車型平台、前後車身配置、24V 負載、診斷策略與 Inter-BCM 通訊需求，協助規劃 BCM 整合方案。