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L5965 数据表(PDF) 4 Page - STMicroelectronics

部件名 L5965
功能描述  Power management for automotive vision and radar systems
PDF  73 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L5965 数据表(HTML) 4 Page - STMicroelectronics

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2
Pins description
Figure 3. Pin out (top view)
36
35
34
33
32
31
30
29
28
27
26
25
1
2
3
4
5
6
7
8
12
9
10
11
REF
EXTSUP
VBAT1
VREG
BST1
GH1
PH1
GL1
PGND1
sensep
sensen
COMP1
SYNCOUT
SYNCIN
BST2
VBAT2
PH2
PGND2
VREG2_S
COMP2
VBOOST_S
PGND5
PH5
WKUP
GAPG2206151609PS
Table 1. Pin description and functions
No.
Pin name
Pin type
Description
1
REF
O
Accurate reference voltage output
2
VBAT1
S
VBAT1 for inner reference and supply for pre-BUCK1 external HS MOS
3
EXTSUP
S
Optional LV input for BUCK1, BUCK3, BUCK4 gate driver supply
4
VREG
O
Internal regulator for BUCK1, BUCK3, BUCK4 gate driver supply (decoupling)
5
BST1
I/O
Boot-strap capacitor to supply BUCK1 high-side MOS gate-driver circuitry
6
GH1
O
Gate driver of external high-side MOS
7
PH1
O
Switching node BUCK1
8
GL1
O
Gate driver of external low-side MOS
9
PGND1
G
Ground for external low-side MOS driver circuitry
10
sensep
I
Positive differential current sense input for BUCK1
11
sensen
I
Negative differential current sense input for BUCK1
12
COMP1
I/O
BUCK1 Error Amplifier compensation network
13
VREG1_S
I
BUCK1 regulated voltage output (to internal voltage monitors)
14
Debug
I
Device debug. Connect to ground when not used
15
BST3
I/O
Boot-strap capacitor to supply BUCK3 high-side MOS gate-driver circuitry
16
VIN3
S
Input voltage supply for BUCK3
L5965
Pins description
DS12567 - Rev 3
page 4/73



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