l99pm62gxp STMicroelectronics, l99pm62gxp Datasheet - Page 15

• Manufacturer Part Number: l99pm62gxp
• Description: Power Management Ic With Lin And High Speed Can
• Manufacturer: STMicroelectronics

L99PM62GXP
2.1.4
Alternatively, voltage regulator 1 can be used to provide the 5 V reference for this topology.
However, the additional current consumption through R3 and R4 has to be considered in
V
Voltage regulator failure
The V
In case of a drop below the V
bits are latched. The fail bits can be cleared by a dedicated SPI command.
Short to ground detection
If 4 ms after turn on of the regulator the V
(independent for V
regulator output and the regulator is switched off.
In case of V
Forced V
In case of a V
If the output voltage of the corresponding regulator once exceeded the V
the short to ground detection is disabled. If a short to ground condition occurs the regulator
outputs switches off due to thermal shutdown (V
1
standby mode.
1,
and V
BAT
1
STD2/SHTV
short to GND failure the device enters V
2
2
short to GND failure the V
regulator output voltages are monitored.
1,2
), the L99PM62GXP identifies a short circuit condition at the related
1
and V
1,
Doc ID 17639 Rev 3
V
2
1
– fail thresholds (V
fail were set.
1,2
2
short and V
voltage is below the V
1
at TSD2; V
1,2
BAT
2
fail bit is set.
< 2 V, typ for t > 2 µs), the V
standby mode automatically. Bits
2
at TSD1).
1,2
fail thresholds,
Detailed description
1,2
fail thresholds
1,2
15/102
-fail