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Bosch Semiconductors

CJ960

8-channel low-side power switch

Application & Technical Summary

CJ960

CJ960 provides short-circuiting protection for eight low-side stages. All channels are controlled either via SPI, micro second channel (MSC) or parallel interface.

  • Control of OUT1 to OUT8 by MSC or via SPI.
  • Control of OUT1 to OUT6 by input pin.

Product benefits

  • Multiple control interfaces (SPI, MSC, parallel)
  • Extensive diagnostic functions for each output channel: Short circuit to battery, short circuit to ground, open load, overtemperature warning
  • Stages are disabled when VDD is too low or too high. The same applies when the MSC monitoring detects an error, μC-reset is active or reset pin is pulled low.

Protected output stages

Clamping voltage of 55V (typ.) on all outputs

Technical Features

Type
8-channel low-side power switch
Package
TQFP64_ePad
Features

  • Diagnosis: OL, SCG, SCB and OT
  • Flexible control by MSC or SPI
  • Multiple safety features
  • Separate shutdown path for OUT1 – 4
  • Current limit or shutdown on overcurrent

Outputs

  • 4 x 3.0A / 230 mΩ / 55 V
  • 2 x 1.0 A / 700 mΩ / 55 V
  • 2 x 1.0 A / 550 mΩ / 55 V

Control inputs
-
Interface
SPI, µsec bus
Vbat typ [V]
14
Tj min [°C]
-40°C
Tj max [°C]
150°C

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