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Transmission control systems

In transmission control systems, the system basis chipset provides the system power, disables the starter in case of gearbox malfunction and ensures proper system function by various monitoring routines.

Current regulators set the currents for magnetic oil valves rapidly and precisely to the desired value - crucial for fast and smooth gear shifting.

Content

 
 

System basis ICs

Product Details Package
  • CG124
    CG130

  • Application

    Inputs
     

    Outputs
     
     

    System basis IC combination

    3 x speed sensor
    4 x position sensor Wake up

    3 x Driver for HS switches
    Starter disable
    Startup, Reset, Shutdown for µC

  • TQFP64ePad (10 x 10 mm) (CG124) LQFP32 (7 x 7 mm) (CG130) bare die
  • VDD typ. [V]

    Interfaces

    Supply voltages

    Tmin [°C]

    Tmax [°C]

    14

    ISO/LIN SPI (5 V)

    3.3V, 5V, 9V, Ubat

    -40

    150

    Features
    • Ideally suited for Renesas SH7
    • Reverse polarity protection for HS switches
    • Reverse polarity protection for system supply
    • HS switch for starter disable
    • 2fold voltage monitoring
    • Question & Answer watchdog
    • Periphery clock monitoring
    • 16 channel multiplexer for diagnosis: OL, SCG and SCB
  • TQFP64_LQFP32

Current regulators

Product Details Package
  • CG240

  • Application
     

    Interfaces

    Outputs

    Six-channel fully integrated current regulator for inductive loads in low-side application

    1 x SPI (3.3V or 5V) SPI

    6 x regulated load current

  • Bare die TQFP100_ePad (14 x 14 mm)
  • Vbat typ. [V]

    VDD typ. [V]

    Supply voltages

    Tmin [°C]

    Tmax [°C]
     

    14

    5

    3.3V, 5V, 9V, Ubat

    -40

    175 (bare die)
    150 (packaged)

    Features
    • 6 channels with low-side power stage and shunt
    • Imax: 1.2A can be doubled by parallel operation
    • Select current control or switch mode on each channel
    • Design-in full scale accuracy target: <1% (after TCU calibration)
    • Autonomous monitoring & diagnosis
    • Dither function
  • TQFP100ePad
  • CG208

  • Application
     
     

    Interfaces

    Outputs

    Dual-channel fully integrated current
    regulator for inductive loads in low-side application

    1 x SPI (3.3V or 5V) SPI

    2 x regulated load current

  • Bare die
    TQFP44ePad (10 x 10 mm)
  • Vbat typ. [V]

    VDD typ. [V]

    Supply voltages

    Tmin [°C]

    Tmax [°C]

    14

    5

    3.3V, 5V, 9V, Ubat

    -40

    150

    Features
    • 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
  • TQFP44
  • CG202

  • Application
     
     

    Interfaces

    Outputs

    Single-channel current regulator for
    inductive loads for low-side or high-side application

    PWM

    PWM signal for ext. power switch

  • SOIC16w (7.5 x 10.3 mm)
  • Vbat typ. [V]

    VDD typ. [V]

    Supply voltages

    Tmin [°C]

    Tmax [°C]

    14

    5

    3.3V, 5V, 9V, Ubat

    -40

    150

    Features
    • For use with external power switch, shunt and free wheeling diode current regulation range with ext. 1 Ω shunt: 0...1,200 mA
    • Accuracy with 1 Ω shunt: ±7 mA
    • Adjustable PWM frequency
    • Opt. external sync
  • SOIC16w