a4935 Allegro MicroSystems, Inc., a4935 Datasheet - Page 22

• Manufacturer Part Number: a4935
• Description: Automotive 3-phase Mosfet Driver
• Manufacturer: Allegro MicroSystems, Inc.

A4935
Input and Output Structures
18 V
CSN
CSP
18 V
18 V
18 V
COAST
PWMx
ESF
xLO
xHI
22 V 22 V
18 V
(E) Logic inputs, no pulldown
VREG
(H) Current sense amplifier
20 V
(A) Gate drive outputs
ESD
4 kΩ
4 kΩ
3 kΩ
8.5 V
18 V
ESD
GHx
VREG
GLx
LSS
CSOUT
Cx
Sx
RDEAD
CCEN
18 V
CP1
(F) Logic input, with pulldown
ESD
Automotive 3-Phase MOSFET Driver
ESD
(C) Fault output
10 Ω
CP2
(I) RDEAD
100 Ω
8.5 V
50 kΩ
ESD
3 kΩ
8.5 V
VREG
(B) Supply protection structures
19 V
19 V
20 V
VDRAIN
FF1
1.2 V
VDSTH
RESET
18 V
18 V
18 V
8.5 V
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
(J) V
VBB
6 V
DS
(D) Fault input/output
ESD
(G) RESET input
monitor threshold input
50 kΩ
10 Ω
3 kΩ
3 kΩ
1 kΩ
6 V
8.5 V
6 V
ESD
VDD
ESD
FF2
22