Microelectronics

The Delphi Pre-driver Serial Data Variable Reluctance Interface (PSVI) is a custom IC that is an up-integration of many automotive engine control functions. It is designed for use as a flip chip, in bare die (109 bumps), KGD applications. The CAN and ISO9141 bus drivers have slew rate control via an external C and/or R.

The CAN two-wire transceiver offers high speed to 500Kb/s, slope control for RFI reduction, and can drive up to 32 nodes. The serial port interface is a 56-bit shift register used by the host CPU to control the six LED drivers, set T1 and T2 times in the phased turn-on circuit, and read fault diagnostics of the output devices.

Features

• CAN bus transceiver
• Based on the CAN generic transceiver specification XDE4002
• Serial peripheral interface
• Serial P interface which provides diagnostic information and LED driver control
• Low side FET pre-drivers
• Fault detection and protection for short to battery or ground
• Gate drive programmable via an external resistor
• Charge pump or logic level gate drive
• Programmable phased turn-on ignition coil drive
• Prevents "Ignition on make"
• 2 operational amplifiers
• Electrical characteristics similar to LM358 or LM2904
• 6 low-side LED drivers
• Output sink current 30mA DC
• Fault detection and protection for shortened loads and short to ground
• Variable reluctance sensor interface
• Variable threshold receiver
• Adaptive loading
• Digital filter
• 3 EST output drivers
• Supports a single high voltage switch, ICE-4 DIS, 6-cylinder coil at plug, 6-cylinder DIS

Packaging

• Available in flip chip with 109 solder bumps (eutectic) for bare die KGD applications 3.94 x 8.99 mm with 10 mil spaced bumps

Typical Applications

• Engine controls