Skip to main content
Bosch semiconductors for Automotive


Two-channel magnetic valve current regulator for automatic transmission control

Application & Technical Summary


CG208 permits fast and precise control on two hydraulic valves to enable quick and smooth gear shifting.

CG208 simplifies the design of transmission control units. Hardware control loops for each valve significantly reduce the need for high microcontroller calculation power.

Product benefits

  • Integrated low-side drivers and shunts
  • Hardware solution, no μC necessary for regulation
  • Higher channel count in combination with an additional CG208 (two channels) or CG240 (six channels)

Built-in precision

high accuracy over temperature and lifetime

Technical Features

Dual-channel fully integrated current regulator for inductive loads in low-side application
  • TQFP44ePad
  • Bare-die
  • Power Switch, shunt and free wheeling diode integrated
  • current regulation range: 0 – 1200 mA
  • Accuracy <1 %
  • Dither function
  • Overcurrent protection
  • Overtemperature protection
  • SPI controlled regulation loop characteristics
2 x regulated load current
Control interface
1 x SPI (3.3V or 5V)
Supply voltages
3.3V, 5V, 9V, Ubat
VDD typ. [V]
Tj min [°C]
Tj max [°C]
  • TQFP_ 44ePad (10 × 10 mm)
    TQFP_ 44ePad (10 × 10 mm)


Product information

Share this on:

Get in touch with us