參數(shù)資料
型號: MC34920
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: 2.8 Ohm(Typ) Quad H-Bridge Motor Driver(2.8歐(典型值)四H橋電機(jī)驅(qū)動器)
中文描述: 2.8歐姆(典型值)四H橋電機(jī)驅(qū)動器(2.8歐(典型值)四魔橋電機(jī)驅(qū)動器)
文件頁數(shù): 3/28頁
文件大小: 813K
代理商: MC34920
MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
34920
3
TERMINAL FUNCTION DESCRIPTION
Terminal
Terminal Name
Formal Name
Definition
1
V
b
Output terminal to V
V
b
Terminal to connect to V
V
b
capacitor.
2
CP2
Capacitor to CP1
Terminal for boost generator switch capacitor.
3
CP1
Capacitor to CP2
Terminal for boost generator switch capacitor.
4
RESET
Reset Output
Active low Reset output.
5
V
CC
V
CC
Supply Voltage
V
CC
power input for internal use. The 34920 accepts
either 3.3 V ±10% or 5.0 V ±5% for its logic voltage.
6, 7, 17, 18, 28,
29, 39, 40
GND
Substrate Ground
Ground connections for digital IC circuitry.
8
V1_FB
V1 Regulator Feedback Input
Voltage feedback for the V1 regulator.
9
DR1_MODE
Mode Select for Driver 1
Selects operational mode of Driver 1; Step = 1/DC = 0.
10
V1_SWITCH
Internal MOSFET Source for V1 Regulator
Switching output for V1 regulator.
11, 15, 16, 23,
30, 31, 35
VB+
VB+ (Bulk) Supply Voltage
High-voltage supply for motors and regulators.
12
DR2A1
Driver 2, Bridge 1, Output A
Motor driver output.
13
DR2SENSE1
Driver 2, Bridge 1, I Sense
Current sense for current mode.
14
DR2B1
Driver 2, Bridge 1, Output B
Motor driver output.
19
DR1A1
Driver 1, Bridge 1, Output A
Motor driver output.
20
DR1SENSE1
Driver 1, Bridge 1, I Sense
Current sense for current mode.
21
DR1B1
Driver 1, Bridge 1, Output B
Motor driver output.
22
DR1PWM
Driver 1 PWM Input
PWM input for Driver 1. Used only when DR1_MODE
terminal = 0.
24
DR2PWM
Driver 2 PWM Input
PWM input for Driver 2. Used only when DR2_MODE
terminal = 0.
25
DR1B2
Driver 1, Bridge 2, Output B
Motor driver output.
DR2SENSE1
DR2A1
VB+
V1_SWITCH
DR1_MODE
V1_FB
GND
GND
VB+
30
31
32
33
34
35
36
29
DR2B1
VB+
DR2SENSE2
DR2A2
VB+
V2_SWITCH
DR2_MODE
V2_FB
GND
GND
VB+
DR2B2
VB+
D
V
D
D
D
D
G
G
D
D
D
A
V
b
C
C
R
V
C
G
G
C
S
S
37
38
39
4
4
4
4
1
2
3
4
4
5
6
16
15
14
13
12
11
10
17
9
8
7
2
2
2
2
2
2
2
2
2
1
1
F
Freescale Semiconductor, Inc.
Go to: www.freescale.com
n
.
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