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CY310 Product Info

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Automotive Electronics

Product
EDC/
MOTRONIC
Information
IC
EDC
/ Motronic IC CY310
CY310

Power supply

Power supply inputs


 Protection against reverse battery and over voltage
 Overload detection

The CY310 is a high integrated power circuit


designed for supply, signal processing and control
of motor management ECUs.
Customer benefits:
 Excellent system know-how
 Smart concepts for system safety
 Secured supply
 Long- term availability of manufacturing processes
and products
 QS9000 and ISO/TS16949 certified
Features
 One 5V-regulator for system supply
 One 3.3V-regulator for system supply
 Three 5V-regulators for sensor supply
 One 3.3V-standby supply
 Low side switch for main relay control
 High side switch (100mA)
 Sensor interface for inductive wheel speed sensors
 Two serial ISO-interfaces
 Four low side signal drivers with diagnostic
 One CAN driver

Voltage regulators
 Main regulators:
- 5V and 3.3V / 500mA (total)
 Standby supply:
- 3.3V / 100mA in operating mode
- 3.3V / 2mA in standby mode
 Sensor supplies:
- three independent outputs
- 5V / 70mA (each)
- tracking to 5V main regulator
- protected against permanent short circuit to
ground and battery
High side and low side switch
 Switched battery (high side switch):
- protected battery voltage for power stages
and peripherals
 Main relay control (low side switch):
- protected output for driving a main relay
- diagnostic features
Control inputs, control outputs
 Ignition input:
- control for all switch able outputs
 Ignition output:
- 5V ignition signal with integrated delay
 Reset signals:
- power down voltage control for 3.3V and 5V
power supply
- two open collector outputs, active low
- integrated reset delay times

 Digital watch dog with SPI- Interface


 Power- package: HIQUAD64

Peripherals

RPM sensor interface


 Differential input for an inductive engine speed
sensor:
- switchable sensitivity
- thresholds controlled via SPI
- integrated glitch filter (controlled via SPI)
Serial data interface (bidirectional)
 Two low side drivers (transmitter):
- open drain output (50mA)
- 5V logic input
- short circuit protected
 Two input comparators (receiver):
- thresholds according ISO 9141
- 5V push pull output
Signal drivers
 Four low side switches:
- open drain output (50mA)
- 5V logic input
- short circuit protected
- diagnosis
CAN driver
 - according ISO/DIS 11898
- low/high speed configurable via SPI
Digital functions
 SPI Interface:
- Baudrate up to 2MBit/sec
- used for configuration, diagnosis and
communication with supervisor module
 Supervisor module:
- intelligent module to control correct function of
the ECU microcontroller
- reset signal for microcontroller and peripherals
- quartz oscillator

Application example

Contact
Robert Bosch GmbH
Sales Semiconductors
Postbox 13 42
72703 Reutlingen
Germany
Tel.: +49 7121 35-2979
Fax: +49 7121 35-2170

Robert Bosch Corporation


Component Sales
38000 Hills Tech Drive
Farmington Hills, MI 48331
USA
Tel.: +1 248 876-7441
Fax: +1 248 848-2818

E-Mail: bosch.semiconductors@de.bosch.com

Robert Bosch K.K.


Component Sales
9-1, Ushikubo 3-chome
Tsuzuki-ku, Yokohama 224
Japan
Tel.: +81 45 9 12-83 01
Fax: +81 45 9 12-95 73
Internet: www.bosch-semiconductors.de

02/2006 All rights reserved by Robert Bosch GmbH including the right to file industrial property rights
Robert Bosch GmbH retains the sole powers of distribution, such as reproduction, copying and distribution.
For any use of products outside the released application, specified environments or installation conditions no warranty shall apply and
Bosch shall not be liable for such products or any damage caused by such products.

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