l99pm62gxp STMicroelectronics, l99pm62gxp Datasheet - Page 28
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l99pm62gxp
Manufacturer Part Number
l99pm62gxp
Description
Power Management Ic With Lin And High Speed Can
Manufacturer
STMicroelectronics
Datasheet
1.L99PM62GXP.pdf
(102 pages)
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Detailed description
2.6
Note:
2.7
2.8
28/102
Reset output (NRESET)
If V
“NRESET” is pulled up by internal pull up resistor to V
This is necessary for a defined start of the micro controller when the application is switched
on. Since the NRESET output is realized as an open drain output it is also possible to
connect an external NRESET open drain NRESET source to the output. It must be
considered that as soon the NRESET is released from the L99PM62 the Watchdog timing
starts.
A reset pulse is generated in case of:
●
●
An external pull-up resistor (1k
during reset condition
Operational amplifiers
The operational amplifiers are especially designed to be used for sensing and amplifying the
voltage drop across ground connected shunt resistors. Therefore the input common mode
range includes -0.2 V to 3 V.
The operational amplifiers are designed for -0.2 V to +3 V input voltage swing and rail-to-rail
output voltage range.
All pins (positive, negative and outputs) are available to be able to operate in non-inverting
and inverting mode. Both operational amplifiers are on-chip compensated for stability over
the whole operating range within the defined load impedance.
The operational amplifiers may also be used to setup an additional high current voltage
source with an external pass element. Refer to
LIN bus interface
Features
●
●
●
●
●
●
●
●
●
●
●
1
V
Watchdog failure
Speed communication up to 20 kbit/s.
LIN 2.1 compliant (SAEJ2602 compatible) transceiver.
Function range from +40 V to -18 V DC at LIN pin.
GND disconnection fail safe at module level.
Off mode: does not disturb network.
GND shift operation at system level.
Micro controller Interface with CMOS compatible I/O pins.
Internal pull up resistor.
Internal high-side switch to disconnect master pull-up resistor in case of short circuit of
bus signal.
ESD and transient immunity according to ISO7637 and EN / IEC61000-4-2.
Matched output slopes and propagation delay.
is turned on and the voltage exceeds the V
1
drops below Vrth (configurable by SPI) for t > t
Doc ID 17639 Rev 3
Ω
) to V
1
is recommended in order to ensure I
Section 2.1.3
1
reset threshold, the reset output
1
UV1
voltage after a reset delay time (t
for a detailed description.
LOAD1
L99PM62GXP
> I
cmp
rd
).