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MC34920 Datasheet(PDF) 3 Page - Motorola, Inc

Part No. MC34920
Description  2.8 OHM (Typ) Quad H-Bridge Motor Driver
Download  28 Pages
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Maker  MOTOROLA [Motorola, Inc]
Homepage  http://www.freescale.com
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MC34920 Datasheet(HTML) 3 Page - Motorola, Inc

 
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MOTOROLA ANALOG INTEGRATED CIRCUIT DEVICE DATA
34920
3
TERMINAL FUNCTION DESCRIPTION
Terminal
Terminal Name
Formal Name
Definition
1Vb
Output terminal to VVb
Terminal to connect to VVb 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.
5VCC
VCC Supply Voltage
VCC 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
30
31
32
33
34
35
36
29
DR2B1
VB+
VB+
DR2SENSE2
DR2A2
VB+
V2_SWITCH
DR2_MODE
V2_FB
GND
GND
DR2B2
VB+
VB+
37
38
39
16
15
14
13
12
11
10
17
9
8
7
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com


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