参数资料
型号: TB6598FN
元件分类: 运动控制电子
英文描述: STEPPER MOTOR CONTROLLER, 0.8 A, PDSO16
封装: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-16
文件页数: 11/18页
文件大小: 322K
代理商: TB6598FN
TB6598FN/FNG
2006-3-6
2
Block Diagram
Some functional blocks, circuits, or constants may be omitted or simplified in the block diagram for explanatory
purposes.
Pin Functions
Pin Name
Pin No.
Functional Description
Remarks
AO2
1
Output 2 (Ch. A)
Ch. A motor winding connection pin
RFA
2
Winding current detection pin
(Ch. A)
AO1
3
Output 1 (Ch. A)
Ch. A motor winding connection pin
Vref
4
Internal reference voltage
+0.6 V (typ.)
GND
5
Ground pin
VCC
6
Small-signal power supply pin
VCC (ope) = 2.7 V to 5.5 V
Vlim
7
Winding current setting pin
Icoil (A)
= Vlimit (V)/external RF ()
EN1
8
Enable input 1
EN2
9
Enable input 2
IN1
10
Control input 1
IN2
11
Control input 2
OSC
12
Internal oscillation frequency
setting pin
Connect an oscillator capacitor externally
VM
13
Motor power supply pin
VM (ope) = 4.5 V to 13.5 V
BO2
14
Output 2 (Ch. B)
Ch. B motor winding connection pin
RFB
15
Winding current detection pin
(Ch. B)
BO1
16
Output 1 (Ch. B)
Ch. B motor winding connection pin
VM
AO1
AO2
RFA
BO1
BO2
RFB
EN1 8
9
10
11
EN2
IN1
IN2
Control
Logic
12
OSC
7
Vlim
Timing
Logic
5
6
GND
VCC
Pre-Drive
H-Bridge
B
13
3
1
2
Timing
Logic
Pre-Drive
H-Bridge
B
TSD
16
14
15
4
Vref
0.6 V
Band
Gap
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