MM908E624ACEW/R2 FREESCALE [Freescale Semiconductor, Inc], MM908E624ACEW/R2 Datasheet - Page 24

• Manufacturer Part Number: MM908E624ACEW/R2
• Description: Integrated Triple High Side Switch with Embedded MCU and LIN Serial Communicationfor Relay Drivers
• Manufacturer: FREESCALE [Freescale Semiconductor, Inc]

ANALOG DIE INPUTS / OUTPUTS
High Side Output Terminals HS1 and HS2
as relays or lamps. They are protected with over-temperature
and current limit (over-current) and include an active internal
clamp circuitry for inductive load drive. Control is done using
the SPI Control register. PWM capability is offered through
the PWMIN input terminal.
the SPI Control register is set and the PWMIN input is HIGH
(refer to
PWMIN must be HIGH and bit HS1ON must be set. The
same applies to the HS2 output.
to the VDD terminal.
Current Limit (Over-current) Protection
them against over-current and short circuit conditions.
Over-temperature Protection
high side switches, all high side switches (HS1, HS2 and
.
24
908E624
FUNCTIONAL DEVICE OPERATION
OPERATIONAL MODES
These are two high side switches used to drive loads such
The high side switch is turned on if both the HSxON bit in
If no PWM control is required, PWMIN must be connected
These high side switches feature current limit to protect
If an over-temperature condition occurs on any of the three
Figure
HSxON
13, page 24). In order to have HS1 on, the
Control
MODE1:2
Figure 13. High Side HS1 and HS2 Circuitry
On/Off
Status
Overtemperature Protection
Current Limit Protection,
High-Side Driver
Charge Pump,
HS3) are turned off and latched off. The failure is reported by
the HSST bit in the SPI Control register.
Sleep and Stop Mode
High Side Output HS3
Hall-effect sensors, or switch pullup resistors. Control is done
using the SPI Control register. No direct PWM control is
possible on this terminal (refer to
Current Limit (Over-current) Protection
it against over-current and short circuit conditions.
Over-temperature Protection
high side switches, all high side switches (HS1, HS2 and
HS3) are turned off and latched off. The failure is reported by
the HSST bit in the SPI Control register.
Sleep and Stop Mode
In Sleep and Stop modes the high sides are disabled.
This high side switch can be used to drive small lamps,
This high side feature switch feature current limit to protect
If an over-temperature condition occurs on any of the three
In Sleep and Stop mode the high side is disabled.
Analog Integrated Circuit Device Data
VSUP2
Figure
Freescale Semiconductor
14, page 25).
PWMIN
HSx