MC10XS3412DHFK Freescale Semiconductor, MC10XS3412DHFK Datasheet - Page 25

• Manufacturer Part Number: MC10XS3412DHFK
• Description: Power Switch ICs - Power Distribution Eswitch Gen3 1012
• Manufacturer: Freescale Semiconductor

Specifications of MC10XS3412DHFK

• Rohs: yes
• Number Of Outputs: 4
• Operating Supply Voltage: 6 V to 20 V
• Supply Current (max): 20 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: PQFN-24
• Minimum Operating Temperature: - 40 C

POWER SUPPLY
on the VPWR pin. Characteristics are provided from 6.0 V to
20 V for the device. The VPWR pin supplies power to internal
regulator, analog, and logic circuit blocks. The V
used for Serial Peripheral Interface (SPI) communication in
order to configure and diagnose the device. This IC
architecture provides a low quiescent current Sleep mode.
Applying V
the Normal mode. The device will transit to Fail-safe mode in
case of failures on the SPI or/and on V
HIGH SIDE SWITCHES: HS0 – HS3
automotive lamps located for the front of vehicle, such as
65 W/55 W bulbs and Xenon-HID modules. Those N-channel
MOSFETs with 10 m & 12 m R
and present extended diagnostics in order to detect bulb
outage and short-circuit fault condition. The HS output is
actively clamped during turn off of inductive loads and
inductive battery line. When driving DC motor or Solenoid
Analog Integrated Circuit Device Data
Freescale Semiconductor
The 10XS3412 is designed to operate from 4.0 V to 28 V
These pins are the high side outputs controlling
PWR
Power Supply
and V
MC10XS3412 - Functional Block Diagram
MCU Interface and Output Control
DD
to the device will place the device in
Parallel Control Inputs
DS(ON)
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Power Supply
PWM Controller
SPI Interface
DD
are self-protected
voltage.
MCU Interface and Output Control
DD
supply is
loads demanding multiple switching, an external recirculation
device must be used to maintain the device in its Safe
Operating Area.
MCU INTERFACE AND OUTPUT CONTROL
MCU through SPI. A pulse width modulation control module
allows improvement of lamp lifetime with bulb power
regulation (PWM frequency range from 100 to 400 Hz) and
addressing the dimming application (day running light). An
analog feedback output provides a current proportional to the
load current or the temperature of the board. The SPI is used
to configure and to read the diagnostic status (faults) of high
side outputs. The reported fault conditions are: open load,
short circuit to battery, short circuit to ground (overcurrent
and severe short-circuit), thermal shutdown, and under/
overvoltage. Thanks to accurate and configurable
overcurrent detection circuitry and wire-harness optimization,
the vehicle is lighter.
parallel input pins. The device is configured in default mode.
In Normal mode, each bulb is controlled directly from the
In Fail-safe mode, each lamp is controlled with dedicated
FUNCTIONAL INTERNAL BLOCK DESCRIPTION
Self-protected High Side Switches
High Side Switches
Self-protected
HS0 - HS3
FUNCTIONAL DESCRIPTION
10XS3412
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