General description

The PT2001 is a SMARTMOS programmable gate driver IC for solenoid control in

automotive application. The typical application is engine control. A wide range of system

configurations is also supported.

The general architecture comprises the combination of a set of programmable

microcores, integrated high-side (x5), and low-side (x7) predrivers for discrete logic level

MOSFETs, end of injection detection and means for diagnostics and protection against

external faults. Both battery voltage and booster voltage level high-side configurations

are supported. The chip communicates with the main controller through an SPI bus and a

flexible set of direct interface signals.

The main characteristics of this component are:

• The programmable architecture: the four dedicated microprocessor cores optimized to

control power MOSFETs with small latency time. Thus a high level of flexibility during

design and at runtime can be achieved.

• The high level of integration: all interfaces are designed to use as few external

components as possible.

Features and benefits

• Boost voltage up to 80 V (MC33PT2001HAE and MC33PT2001HMAE)

• Programmable integrated End-of-Injection (EOI) measurement function

(MC33PT2001HMAE and MC33PT2001MAE)

• Outputs configurable into 2-bank operation

• Five high-side / seven low-side predrivers:

– PWM frequency: 100 kHz

– Four programmable slew rates: 12.5 V/μs to 300 V/μs

• Flexible current profile management through four programmable microcores running at

6 MHz

• Automatic freewheeling control

• Programmable integrated diagnostics:

– openload

– undervoltage

– overvoltage

– overcurrent

– overtemperature

• Independent DRVEN pin for safety

• ISO 26262 compliant development

• Embedded encryption for microcode protection

• 16-bit SPI control with IRQB plus three interrupt flags

• Qualified in compliance with AEC-Q100

• 36 V tolerant digital IOs

Applications

• Automotive (12 V), truck and industrial (24 V) powertrain

• Gasoline Direct Injection (GDI)

• Diesel Direct Injection (DDI)

• CNG / LNG engines

• Variable Valve Actuators (VVA)

• Active suspension systems

• Transmission solenoid drivers (CVT, DCT, AT)