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CA3228

Features: • Low Power Dissipation• I2L Control Logic• Power-On Reset• On-Chip Oscillator for System Time Reference• Single Input Line for Operator Commands• Amplitude Encoded Control Signals• Transient Compensated Input Commands• Controlled Accelerat...

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SeekIC No. : 004310302 Detail

CA3228: Features: • Low Power Dissipation• I2L Control Logic• Power-On Reset• On-Chip Oscillator for System Time Reference• Single Input Line for Operator Commands• Ampli...

CA3228 Data Sheet

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Part Number:
CA3228
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/18

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Product Details

Description



Features:

• Low Power Dissipation
• I2L Control Logic
• Power-On Reset
• On-Chip Oscillator for System Time Reference
• Single Input Line for Operator Commands
• Amplitude Encoded Control Signals
• Transient Compensated Input Commands
• Controlled Acceleration Mode
• Internal Redundant Brake and Low-Speed Disable
• Braking Disable


Application

• Automotive Speed Control
• Residential and Industrial Heating and Cooling Controls
• Industrial AC and DC Motor Speed Control
• Applications Requiring Acceleration and Deceleration Control


Pinout

Connection Diagram


Specifications

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +9.0V
Supply Current, ICC . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . 30mA
Driver Command Input (ICMD), Pin 3 . . . . . . . . . . . . . . . . . . . 2mA
Brake Input (IBRAKE), Pin 12 . . . . . . . . . . . . . . . . . . . .  .   . . . 2mA
Storage Temperature Range . . . . . . . . . . . . . . . . -65 to +150
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . +150


Description

The CA3228 is a monolithic integrated circuit designed as an automotive speed-control system.

CA3228 system monitors vehicle speed and compares CA3228 to a stored reference speed. Any deviation in vehicle speed causes a servo mechanism to open or close the engine throttle as required to eliminate the speed error. The reference speed, set by the driver, is stored in a 9-bit counter.

CA3228 reference speed can be altered by the ACCEL and COAST driver commands. The ACCEL command causes the vehicle to accelerate at a controlled rate; the COAST command disables the servo, thereby forcing the vehicle to slowdown. Application of the brake disables the servo and places the system in the standby mode while the RESUME command returns the vehicle to the last stored speed.

CA3228 Vehicle speed and driver commands are inputs to the integrated circuit via external sensors. Actuators are needed to convert the output signals into the mechanical action necessary to control vehicle speed.

The CA3228 is supplied in a 24 lead dual-in-line plastic package (E suffix). Refer to AN7326 for application information.




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