FAH4840-269128 Datasheet, PDF (2/21 Pages) List of Unclassifed Manufacturers – FAH4840 Haptic Driver for Linear Resonant Actuators (LRAs)

Block Diagram
VDD
Bandgap
Reference
UVLO
OCP
OTP
PWM
MDP
Control Logic and Register
HEN
with
VCM DIFF AMP
Driver
Back EMF Detection
GND
EN
MDN
SCL
Serial I²C
POR
Interface
SDA
PWM
Detection
Programmable
LDO
Isen*Ro
COMP
VCM
Figure 1. Block Diagram
Pin Configuration
Pin Definitions
Name
SDA
VDD
MDN
MDP
GND
PWM
SCL
HEN
Pin #
1
2
3
4
5
6
7
8
Figure 2. Pin Assignments (MicroPak MLP)
Type
Input
Power
Output
Output
Power
Input
Input
Input
Description
I²C data input
Power
Negative motor driver output
Positive motor driver output
Ground
PWM input
I²C clock input
Haptic motor enable/disable (HIGH: enable, LOW: disable)
© 2013 Fairchild Semiconductor Corporation
FAH4840 • Rev. 1.0.0
2
www.fairchildsemi.com