l99pm62gxp STMicroelectronics, l99pm62gxp Datasheet - Page 20
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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
2.3
Table 4.
1. Supply the processor in low current mode.
2. Only active when selected via SPI.
3. Unless disabled by SPI.
4. The bus state is internally stored when going to standby mode. A change of bus state leads a wake-up after exceeding of
5. ON in fail-safe condition: If Standby mode is entered with active Fail Safe mode, the output remains ON in Standby mode.
6. Activation = ON if cyclic sense is selected.
7. cyclic activation = pulsed ON during cyclic sense.
20/102
Voltage-regulator, V
Voltage-regulator, V
Reset-generator
Window watchdog
Wake up
HS-cyclic supply
Relay driver
Operational amplifiers
LIN
HS_CAN
FSO (if configured by
SPI), active by default
Oscillator
Vs-monitor
internal filter time (if wake-up by LIN or CAN is not disabled by SPI).
Function
From V
and sends an interrupt signal (via RxDL/NINT pin) to the µC. The device enters active mode
and the watchdog is started with a long open window. The microcontroller can send the
device back into V
From V
elapsed), turns on the V
enters active mode and the watchdog is started with a long open window. The
microcontroller can send the device back into V
Functional overview (truth table)
Functional overview (truth table)
1
2
1
BAT
standby mode, the L99PM62GXP wakes up (after the selected timer has elapsed)
V
V
V
Oscillator time
base
LIN 2.1
Fail safe output OUT3/FSO Off
standby mode, the L99PM62GXP wakes up (after the selected timer has
OUT
OUT
1
Comments
monitor
= 5 V
= 5 V
1
standby after finishing its tasks.
1
regulator and provides an NReset signal to the µC. The device
On
On/ Off (2)
On
On
Off
On / Off
On
On
On
On
On
On
Active mode
Doc ID 17639 Rev 3
(5)
Off
Off
On
On
On
Off (On: I_V
threshold and I
Active
On
Off
Off
OUT3/FSO Off
(6)
(7)
BAT
(1)
(2)
(2)
(4)
(4)
Operating modes
(cyclic sense)
standby after finishing its tasks.
static mode
V
/ Off
/ Off
(3)
1
-standby
1
> I
cmp
(5)
cmp
= 0)
-
Off
On
Off
Off
Active
On
Off
Off
Off
Off
OUT3/FSO Off
(6)
(7)
(2)
(2)
(4)
(4)
(cyclic sense)
V
static mode
/ Off
/ Off
(3)
BAT
L99PM62GXP
-standby
(5)