A89503
80 V Automotive Half-Bridge MOSFET Driver
PINOUT DIAGRAM AND TERMINAL LIST TABLE
ꢀꢁ ꢅꢆRꢇ
ꢀ3 ꢅꢆꢆ
ꢀꢀ ꢈP1
ꢇNꢊ
ꢊꢌAꢇ
ꢉNAꢆꢋꢉ
RꢉSꢉꢍn
HS
1
ꢀ
3
ꢁ
5
ꢂ
ꢃ
ꢄ
9
ꢀ1 ꢈPꢀ
ꢀ0 ꢅRꢉꢇ
19
1ꢄ
1ꢃ
ꢊ
ꢈ
S
ꢋSn
PAꢊ
Sꢊꢌ
Sꢈꢎ
1ꢂ ꢇH
15 ꢇꢋ
Sꢊꢏ
SꢍRn 10
ꢈSꢏ 11
ꢈSM 1ꢀ
1ꢁ ꢋSS
13 ꢈSP
24-Lead eTSSOP (suffix LP)
Pinout Diagram
Terminal List Table
Name
C
Number
18
22
21
12
11
13
2
Function
Bootstrap Capacitor
CP1
CP2
CSM
CSO
CSP
DIAG
ENABLE
GH
Pump Capacitor CCP Connection
Pump Capacitor CCP Connection
Current Sense Amp -Input
Current Sense Amp Output
Current Sense Amp +Input
Diagnostic Output
3
Gate drive output control Input
High-side Gate Drive Output
Low-side Gate Drive Output
Power Ground
16
15
1
GL
GND
HS
5
High-side control Input
Low-side control Input
LSn
6
LSS
14
19
4
Low-side Source
D
Low-side Drain Connection
Standby Mode Control Input
Load Connection
RESETn
S
17
8
SCK
SDI
Serial Clock Input
7
Serial Data Input
SDO
STRn
VBB
VBRG
VREG
PAD
9
Serial Data Output
10
23
24
20
–
Serial Strobe (chip select) Input
Main Power Supply
High-side Drain voltage sense
Regulated gate drive supply
Thermal pad; connect to GND
4
Allegro MicroSystems
955 Perimeter Road
Manchester, NH 03103-3353 U.S.A.
www.allegromicro.com