A4935KJP-T Allegro Microsystems Inc, A4935KJP-T Datasheet - Page 7

• Manufacturer Part Number: A4935KJP-T
• Description: IC MOSFET DRIVER 3PH AUTO 48LQFP
• Manufacturer: Allegro Microsystems Inc

Specifications of A4935KJP-T

• Configuration: 3 Phase Bridge
• Input Type: PWM
• Delay Time: 90ns
• Number Of Configurations: 1
• Number Of Outputs: 3
• Voltage - Supply: 5.5 V ~ 50 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 48-LFQFP Exposed Pad
• Device Type: Motor
• Module Configuration: 3-Phase Bridge
• Peak Output Current: 150mA
• Output Resistance: 8ohm
• Input Delay: 90ns
• Output Delay: 90ns
• Supply Voltage Range: 3V To 5.5V
• Driver Case Style: LQFP
• No. Of Pins: 48
• Operating Temperature Range: -40°C To +150°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Peak: -
• High Side Voltage - Max (bootstrap): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

A4935
Gate Drive
COAST
RESET
PWMH
GHx
GHx
GHx
xLO
GLx
GLx
GLx
FF1
FF2
xHI
xHI = 1, xLO = 0, PWMH = PWML = 1
t
t
t
P(off)
P(off)
P(off)
xHI = 1, xLO = 0, PWML = 1
Synchronous Rectification
t
DEAD
t
D
DEAD
t
DF
s i
Fault Register Read
a
b
e l
t
LF
d
t
t
(A) Gate Drive Timing, Phase Control Inputs
P(off)
P(on)
t
HF
(C) Gate Drive Timing, COAST Inputs
(B) Gate Drive Timing, PWM Inputs
t
P(off)
t
DEAD
(D) Fault Output Timing
Timing Diagrams
t
DEAD
Automotive 3-Phase MOSFET Driver
t
RF
E
GHx
n
xLO
GLx
xHI
a
b
e l
d
t
COAST
P(on)
High-Side PWM
PWML
GHx
GLx
GHx
GLx
Gate Drive
RESET
xHI = 0, xLO = 1, PWMH = PWML = 1
t
P(off)
FF1
FF2
t
P(off)
t
P(off)
xHI = 0, xLO = 1, PWMH = 1
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
Disabled
t
GHx
xLO
DEAD
GLx
xHI
Simple Fault Reset
t
RES
Low-Side PWM
t
t
t
P(on)
P(on)
DR
t
P(off)
t
DEAD
Enabled
t
P(off)
7