DESCRIPTION APPLICATIONS FEATURES BLOCK DIAGRAM

PT5101
4CH DSC Motor Driver
DESCRIPTION
FEATURES
The PT5101 is a monolithic 4-Channel CMOS
H-bridge motor driver. It can drive one stepper motor,
two DCM and two coils. There also are several other
flexible system solutions left to be utilized. The current
consumption can be hold at quite low level during
standby or operation. And the active power supply
voltage range is from 2.7~5.5V. So the device is ideal
for portable and battery powered applications.
• Independent 4channel H-bridge, 3 full-swing drivers
and 1 constant-current driver, all of those drivers
with brake function.
• Versatile and flexible control mode - DC/stepper
motor alternative, Full-swing/ Constant-Voltage/
Constant-Current selected
• Special Exclusive Control mode optional
• Constant-Voltage set by DAC: 1.8V~4.8V 0.2V/Bit
Accuracy ± 5%
• Constant current set by DAC: 150mV~300mV
10mV/Bit Accuracy±5%
• Under voltage lockout circuit - Shut down the
internal circuit at VCC=1.8V (Typ.)
• Thermal shut down circuit - Shut down the internal
circuit at 150℃ Hysteresis 30℃
• Available in small package HLA24 (3mm × 3mm)
The PT5101 is available in HLA24 (3mm × 3mm)
package. Performance is specified for -20℃ to +85℃
temperature range.
APPLICATIONS
•
DSC
BLOCK DIAGRAM
Vcc
Power supply
VM
Power
supply
VCC
BIAS
Low voltage detection
TSD
VREF (1.25V), POR
H bridge
C.V./Full ON
IN123
Serial Interface
Logic 12
SDA
CS
RESET
RESET
Serial Interface
4Bit DAC
VM12
VC12
H bridge
C.V./Full ON
OUT2A
OUT2B
PGND12
PI1
PI2
MCU
OUT1B
Logic 3
Serial Interface
Level Shift
&
Pre Driver
PI3
Serial Interface
H bridge
C.V./Full ON
4Bit DAC
OUT3A
OUT3B
ZOOM/IRIS
(DCM/COIL)
PGND3
VC3
ZOOM/IRIS
(DCM/COIL)
VM34
IN4A
Control signal
IN4B
Logic 4
Serial Interface
Serial Interface
Level Shift
&
Pre Driver
4Bit DAC
ZOOM/IRIS(STM-2)
SCL
Serial Interface
Serial control signal
Level Shift
&
Pre Driver
OUT1A
AutoFocus(STM-1)
Control signal
Exclusive 1
VC4
H bridge
4A:C.V./C.C./
Full ON
4B:C.C.
Exclusive 2
OUT4A
OUT4B
SHUTTER
(COIL)
RNF4
Notes:
1. FS=Full-swing
2. CV= Constant-Voltage
3. CC=Constant-Current
Tel: 886-66296288‧Fax: 886-29174598‧ http://www.princeton.com.tw‧2F, 233-1, Baociao Road, Sindian, Taipei 23145, Taiwan
PT5101
ORDER INFORMATION
Valid Part Number
PT5101
Package Type
24 pins, HLA
Top Code
PT5101
PIN CONFIGURATION
Note: The Exposed PAD must be connect to GND
PIN DESCRIPTION
Pin Name
RESET
CS
SDA
SCL
OUT2B
OUT3A
PGND3
PI3
PGND12
OUT2A
OUT3B
VM34
VM12
OUT1B
OUT4A
RNF4
VCC
PI1
OUT1A
OUT4B
IN123
IN4A
IN4B
PI2
PGND12
V1.0
I/O
I
I
I
I
O
O
GND
OUT
GND
O
O
Power Supply
Power Supply
O
O
I/O
Power Supply
OUT
O
O
I
I
I
OUT
GND
Description
Logic reset
Serial data latch control
Serial data input
Serial clock input
CH2 output B
CH3 output A
CH3 Power GND
PI3 Output
CH12 Power GND
CH2 output A
CH3 output B
CH3/4 Power supply
CH1/2 Power supply
CH1 output B
CH4 output A
CH4 current sense input or Power GND
Small signal power supply
PI1 Output
CH1 output A
CH4 output B
CH1/CH2/CH3 Input Control Pin
CH4 Input Control Pin
CH4 Input Control Pin
PI2 Output
CH1/2 Power GND and pre driver GND
2
Pin No.
A1
A2
A3
A4
A5
B1
B2
B3
B4
B5
C1
C2
C4
C5
D1
D2
D3
D4
D5
E1
E2
E3
E4
E5
Bottom
March 2010