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CY329

System basis IC for engine control units

应用和技术摘要

CY329

System supply, power stages and CAN phy combined in one chip.

CY329 is a high-end system basis IC with power stages for powertrain control units. A configurable pre-regulator keeps the ECU running down to 3V battery voltage. A system supply wakeup process can be configured for most efficient start. The switched mode buck converter for the microcontroller core voltage reduces power dissipation significantly. It communicates using micro second channel (MSC) interface.

产品优势

  • Integrated CAN-FD physical layer
  • Power stages with integrated clamping and diagnosis
  • 3 level Watchdog for VDA 2.0 compliance

Power, safety and communication

Flexible supply options for permenanet and non-permanent supplied systems.

技术特点

类型
系统基础芯片
封装
TQFP64_ePad
特点

  • Battery supply can be configured as permanent or non-permanent with or without CAN wake-up capability
  • Minimal power dissipation
  • Standby current down to 55 µA
  • Suitable for ASIL D systems

输出电压

  • System: 5 V / 550 mA, 5 V / 950 mA
  • Sensors: 3 x 5 V

接口

  • MSC bus
  • 1 x CAN-FD physical layer

输入

  • Ignition
  • 3 wake up pins
  • Wake up on CAN
  • External 5V monitor

输出

  • Main relay control: 1 x LSPS
  • 7 × LS power stage: Ron_max = 2.4 Ohm / UClamp = 55 V
  • 1 × HS power stage: Ron_max = 2.4 Ohm, dedicated supply pin

Tj min [°C]
-40°C
Tj max [°C]
150°C

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