a4935 Allegro MicroSystems, Inc., a4935 Datasheet - Page 2

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

A4935
Description (continued)
Integrated diagnostics provide indication of undervoltage,
overtemperature, and power bridge faults. They can be configured
to protect the power FETs under most short circuit conditions.
Detailed diagnostics are available as a serial data word.
Selection Guide
*With respect to AGND.
THERMAL CHARACTERISTICS
Package Thermal Resistance
*Additional thermal information available on Allegro website.
Absolute Maximum Ratings*
Load Supply Voltage
Logic Supply Voltage
VREG
CP1 and CP2
Logic Inputs and Outputs
CSP and CSN
LSS
CSO and VDSTH
SA, SB, and SC
RDEAD
VDRAIN
GHA, GHB, and GHC
GLA, GLB, and GLC
CA, CB, and CC
Operating Temperature Range
Junction Temperature
Transient Junction Temperature
Storage Temperature Range
ESD Rating, Human Body Model
ESD Rating, Charged Device Model
A4935KJP-T
Part Number
Characteristic
Characteristic
250 pieces per tray
may require derating at maximum conditions
Packing
Symbol
T
Symbol
J
V
V
(max)
T
T
T
R
R
stg
DD
BB
A
tJ
θJA
θJP
Range K
Overtemperature event not exceeding
10 s, lifetime duration not exceeding 10 hr,
guaranteed by design characterization
AEC-Q100-002, all pins
AEC-Q100-011, all pins
4-layer PCB based on JEDEC standard
2-layer PCB with 3 in.
Automotive 3-Phase MOSFET Driver
Test Conditions*
The A4935 is supplied in a 48-pin LQFP with exposed thermal pad,
(suffix JP). This is a small footprint (81 mm
lead (Pb) free with 100% matte tin leadframe plating.
Notes
2
of copper area each side
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
–0.3 to Sx+15
Sx to Sx+15
–0.3 to 6.5
–0.3 to 6.5
–0.3 to 6.5
–40 to 150
–55 to 150
–0.3 to 50
–0.3 to 16
–0.3 to 16
–0.3 to 7
–4 to 6.5
–4 to 6.5
–5 to 55
–5 to 55
–5 to 16
Rating
2000
1050
150
175
Value
23
44
2
2
) power package. It is
Units
ºC/W
ºC/W
ºC/W
Units
ºC
ºC
ºC
ºC
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
2