L5958 데이터 시트보기 (PDF) - STMicroelectronics
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L5958 Datasheet PDF : 20 Pages
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L5958
Pin description
Table 2. Pin description
Pin N#
Pin name
Function
Type
1
TAB
2
REG6(1P8P)
Output of Reg6 (1.8 V/100 mA)
O
3
RES
Reset signal for MCU application
O
Connect to a reserve capacitor. When battery is
4
BU1
removed suddenly, the energy stored in this
capacitor can still supply reg5 and reg6 for some
I/O
time.
5
CRES
Connect a capacitor to delay reset signal
O
6
REG5(3P3P)
Output of Reg5 (3.3 V/100 mA)
O
7
GND
Power supply ground
S
8
SW
Output of power switch
O
9
EN_SW
Enable signal for SW
I
10
AUDIO_LOW_IN Hold Audio Low threshold adjustment
I
11
VDDCORE
Warn signal to 3.3 Vsw or 1. 8Vsw
O
12
VIN1
Power supply for Reg1,Reg2,Reg5,Reg6 and SW S
13
CAN_LOW_IN
Hold CAN Low threshold adjustment
I
14
AUDIO_HIGH_OUT Hold Audio High signal for MCU application
O
15
AUDIO_LOW_OUT Hold Audio Low signal for MCU application
O
16
REG2(5V)
Output of Reg2
O
17
CAN_PRETEMP
Hold can low signal or hold can high signal with
load dump detection or pretemp warning
O
18
REG1(8P5)
Output of Reg1
O
19
EN_8P5_5
Enable signal for 5 V and 8.5 V
I
20
REG4(1P8sw)
Output of Reg4 (1.8 V/350 mA)
O
21
IGNOUT
Ignition signal output
O
22
VIN2
Power supply for Reg3 and Reg4
S
23
IGNIN
Ignition signal input
I
24
REG3((3P3sw)
Output of Reg3 (3.3 V / 250 mA)
O
Enable signal for 3.3 Vperm and 1.8 Vperm.
25
EN_3P3_1P8
A resistor of 1 kΩ in series to this control pin is
I
suggested.
Connect to a reserve capacitor. When battery is
26
BU2
removed suddenly, the energy stored in this
capacitor can still supply reg3 and reg4 for some
I/O
time.
27
EN_3P3sw_1P8sw Enable signal for 3.3 V and 1.8 V
I
Doc ID 17716 Rev 1
7/20
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