MC33912BACR2 Freescale Semiconductor, MC33912BACR2 Datasheet - Page 77

• Manufacturer Part Number: MC33912BACR2
• Description: IC SYSTEM BASIS CHIP 32LQFP
• Manufacturer: Freescale Semiconductor

Specifications of MC33912BACR2

• Applications: System Basis Chip
• Current - Supply: 4.5mA
• Voltage - Supply: 5.5 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Open Load Detection
current through the high side is below the open load current
threshold.
and HS2OP in the High Side Status Register (HSSR).
Current Limitation
combination with the over-temperature shutdown the high-
side drivers are protected against over-current and short-
circuit failures.
indicated with the bits HS1CL and HS2CL in the HSSR.
excessive power might be dissipated.
Over-temperature Protection (HS Interrupt)
temperature. In case of an over-temperature condition both
high side drivers are shut down and the event is latched in the
Analog Integrated Circuit Device Data
Freescale Semiconductor
Each high side driver signals an open load condition if the
The open load condition is indicated with the bits HS1OP
Each high side driver has an output current limitation. In
When the driver operates in the current limitation area, it is
Note: If the driver is operating in current limitation mode,
Both high side drivers are protected against over-
MOD1:2
HSxOP
HSxCL
HVSE
HSx
Interrupt
Wakeup
Module
Module
Control
Control
Status
on/off
Figure 40. High Side Drivers HS1 and HS2
Over-temperture shutdown (interrupt maskable)
high voltage shutdown (maskable)
High Side - Driver
open load detection
current limitation
charge pump
Interrupt Control Module. The shutdown is indicated as HS
Interrupt in the Interrupt Source Register (ISR).
setting all HSxOP and HSxCL bits simultaneously.
then an interrupt (IRQ) is generated.
the over-temperature condition is gone, will re-enable the
high side drivers.
High-voltage Shutdown
shutdown is enabled (bit HVSE in the Mode Control Register
(MCR) is set) both high side drivers are shut down.
the high voltage condition is gone, will re-enable the high side
drivers.
Sleep And Stop Mode
and Stop mode for cyclic sensing. Also see
A thermal shutdown of the high side drivers is indicated by
If the bit HSM is set in the Interrupt Mask Register (IMR),
A write to the High Side Control Register (HSCR), when
In case of a high voltage condition and if the high voltage
A write to the High Side Control Register (HSCR), when
The high side drivers can be enabled to operate in Sleep
PWMHSx
V
DD
FUNCTIONAL DEVICE OPERATIONS
VS2
OPERATIONAL MODES
V
DD
Table
PWMIN
HSx
37.
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