MTD2029J Shindengen Electric Manufacturing Co.,Ltd, MTD2029J Datasheet

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MTD2029J

Manufacturer Part Number
MTD2029J
Description
Manufacturer
Shindengen Electric Manufacturing Co.,Ltd
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
MTD2029J
Manufacturer:
MTD
Quantity:
20 000
■Features
■Block Diagram
PWM current control motor driver ICs
Shindengen Electric Mfg.Co.Ltd
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MTD2029J
Built-in dual full-bridge
For a 2-phase bipolar stepper motor or two DC motors
Constant current control function (fixed OFF time PWM current control)
2-bit digital current selection (It can respond to W1-2 phase excitation)
Selectable current decay mode (Slow/Fast/Mix Decay Mode)
Stand-by function
Noise cancellation function (An external filter is unnecessary)
Phase Synchronous function
Over heating shutdown function with thermal hysteresis
Under Voltage Lock Out function
Output current 1.5A, Output voltage 50V
Surface mount type package with heat dissipation tab (HSOP40)
35
10
34
33
8
9
BRAKE A
PHASE A
DECAY A
VrefA
I0 A
I1 A
1/5
TSD
Current
Sensor
-
+
UVLO
current select
2-bit digital
CR A
32
Blank
SHOT
ONE
Vcc
+
-
36
14
SYNC
OUT1
37
38
OUT2
30
STB
2
3
DMOS DUAL FULL BRIDGE PWM
1
VmmA
39
40
RsA
TAB
21
22
RsB
PG
MOTOR DRIVER ICs
20
31
VmmB
LG
18
19
OUT3 OUT4
23
24
15
SRM
SHOT
+
ONE
-
Blank
current select
2-bit digital
cpA
29
CR B
6
HSOP40
MTD Series
cpB
Charge Pump
+
-
5
cpC
Current
Sensor
W1002
BRAKE B
DECAY B
PHASE B
Vref B
I0 B
I1 B
4
1/5
13
12
11
27
26
28

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MTD2029J Summary of contents

Page 1

... PWM current control motor driver ICs MTD2029J ■Features 1) Built-in dual full-bridge 2) For a 2-phase bipolar stepper motor or two DC motors 3) Constant current control function (fixed OFF time PWM current control) 2-bit digital current selection (It can respond to W1-2 phase excitation) 4) Selectable current decay mode (Slow/Fast/Mix Decay Mode) ...

Page 2

PWM current control motor driver ICs ■Pin Assignment Vmm A OUT2 OUT2 cpC cpB cpA NC PHA PHA B SYNC SRM NC NC OUT3 OUT3 Vmm B ■Absolute Maximum Ratings o ...

Page 3

PWM current control motor driver ICs ■Electrical Characteristics o ( Ta=25 C, Vcc=5.0V unless otherwise specified ) Parameter Logic supply current(2 circuit ON) Logic supply current (2 circuit OFF) Load supply current (2 circuit ON) Logic supply current (STB) Load ...

Page 4

PWM current control motor driver ICs ■Truth Table BRAKE STB L ∗ Open ( 1) ...

Page 5

PWM current control motor driver ICs The example of a 2-phase stepper motor drive circuit Vcc=5V 36 Vcc TSD UVLO Vcc=5V 35 BRAKE A 8 PHASE 2-bit digital current select Blank Vref 1/5 ...

Page 6

PWM current control motor driver ICs ●Constant chopping current level Vref = Ichop × ●One shot off time Toff = × ●Pulse Blanking Time × × ●Recommended component valuesl Symbol Recommended ...

Page 7

PWM current control motor driver ICs ■Outline Dimension Shindengen Electric Mfg.Co.Ltd MTD2029J ( Unit : mm ) W1002 ...

Page 8

PWM current control motor driver ICs Although we are constantly making every effort to improve the quality and reliability of our products, there nevertheless remains a certain ! probability that the semiconductor products may occasionally fail or malfunction. Please take ...

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