MC33911G5ACR2 Freescale, MC33911G5ACR2 Datasheet - Page 34

• Manufacturer Part Number: MC33911G5ACR2
• Manufacturer: Freescale

Specifications of MC33911G5ACR2

• Turn Off Delay Time: 10us
• Number Of Drivers: 2
• Operating Temperature (min): -40C
• Operating Temperature (max): 125C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Compliant

Open Load Detection
current through the high side is below the open load current
threshold.
the High Side Status Register (HSSR).
Current Limitation
combination with the over-temperature shutdown the high-
side driver is protected against over-current and short-circuit
failures.
indicated with the bit HS1CL in the HSSR.
excessive power might be dissipated.
Over-temperature Protection (HS Interrupt)
In case of an over-temperature condition, the high side driver
is shut down and the event is latched in the Interrupt Control
Module. The shutdown is indicated as HS Interrupt in the
Interrupt Source Register (ISR).
setting the HS1OP and HS1CL bits simultaneously.
then an interrupt (IRQ) is generated.
34
33911
FUNCTIONAL DEVICE OPERATIONS
OPERATIONAL MODES
The high side driver signals an open load condition if the
The open load condition is indicated with the bit HS1OP in
The 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,
The high side driver is protected against over-temperature.
A thermal shutdown of the high side driver is indicated by
If the bit HSM is set in the Interrupt Mask Register (IMR),
MOD1:2
HS1OP
HS1CL
HVSE
HS1
Interrupt
Wakeup
Module
Module
Control
Control
Status
on/off
Figure 17. High Side Drivers HS1
over-temperture shutdown (interrupt maskable)
high voltage shutdown (maskable)
High Side Driver
open load detection
current limitation
charge pump
the over-temperature condition is gone, will re-enable the
high side driver.
High-voltage Shutdown
shutdown is enabled (bit HVSE in the Mode Control Register
(MCR) is set the high side driver is shut down.
the high voltage condition is gone, will re-enable the high side
driver.
Sleep And Stop Mode
and Stop mode for cyclic sensing. Also see
Operating Modes
LOW SIDE OUTPUT PINS LS1 AND LS2
relays incorporating the following features:
Low Side Control Register (LSCR).
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 driver can be enabled to operate in Sleep
These outputs are two low side drivers intended to drive
• PWM capability (software maskable)
• Open load detection
• Current limitation
• Over-temperature shutdown (with maskable interrupt)
• Active clamp (for driving relays)
• High-voltage shutdown (software maskable)
The low side switches are controlled by the bit LS1:2 in the
PWMHS1
Overview.
V
DD
Analog Integrated Circuit Device Data
Freescale Semiconductor
VS2
V
DD
Table 6,
PWMIN
HS1