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PDF AP1029ADN Data sheet ( Hoja de datos )
| Número de pieza | AP1029ADN | |
| Descripción | 32V H-Bridge DC Motor Driver IC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AP1029ADN]
AP1029ADN
32V H-Bridge DC Motor Driver IC
1. General Description
The AP1029ADN is a 1ch H-Bridge motor driver that corresponds to an operating voltage of 32V. Four
drive modes, which are forward, reverse, brake, and standby are available. An N-ch MOSFET is located at
low side and a P-ch MOSFET is located at high side of the output block. The output voltage can be
controlled externally or by PWM input signal. Since the AP1029ADN utilizes internal regulator outputs as
control power, it can be operated by a single power supply so that external components are able to be
reduced. It also features an under voltage lockout circuit, a thermal shutdown circuit and an over-current
protection circuit.
2. Features
Operating Temperature Range
Motor Driver Operating Voltage Range
Maximum Output Current (DC)
H-Bridge On Resistance
Switchable output voltage control function
Built-in Start-up Function
Built-in 4.5V Output Regulator
Anomaly Detection Output pin (FLG pin)
Built-in Under Voltage Lockout Circuit
Built-in Thermal Shutdown Circuit
Built-in Over Current Protection Circuit
Package
-40°C ~ 85°C
5.5V ~ 32V
1.2 A (Ta=25°C)
1.0Ω@Ta=25°C
Input Signal Control, External Voltage Control
Hard-start and Soft-start functions (selectable)
4.5V(typ)
175°C(typ)
1.5A(min)
16-pin QFN (3mm×3mm)
015009487-E-00
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6.
■ Pin Configurations
Pin Configurations and Functions
16 15 14 13
EN 1
12 PGND
INA 2
INB 3
(Top View)
11 OUT
B
10 VM
FLG 4
Exposed Pad 9 OUTA
5 678
[AP1029ADN]
■ Functions
Pin Number Name
I/O
(Note 1)
Function
Condition
1 EN I Enable signal input
200kΩ Pull-down
2 INA I Control signal input
200kΩ Pull-down
3 INB I Control signal input
200kΩ Pull-down
4 FLG O Flag Output
N-ch open-drain output
5 VDUTY I/O Output Duty Setting
6
GND
P Ground
7
VDC
O Internal 4.5V regulator output
8
PGND
P Power GND
(Note 2)
9
OUTA
O Motor driver output
10 VM P Motor driver power supply
11
OUTB
O Motor driver output
12
PGND
P Power GND
13
TEST
I TEST Pin
(Note 2)
14 M0 I Output ratio Control
15 M1 I Output ratio Control
200kΩ Pull-up
200kΩ Pull-up
16 POL I Soft Start polarity
200kΩ Pull-up
Exposed Pad EP
P Heat Dissipation
(Note 2)
Note 1. I(Input pin)、O(Output pin)、P(Power pin)、I/O(Input / Output pin)
Note 2. The exposed pad must be connected to GND.
Note 3. Let M0, M1, POL pin open or connect VDC pin when make their signals “H”.
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[AP1029ADN]
10. Functional Descriptions
10.1 Output Voltage
Output voltage (Vout), is controlled by the PWM control mode that depends on the external reference
voltage input to the VDUTY pin. However, Vout never exceeds VM. Vout is affected by on-resistance, load
current and etc. under loaded condition.
Vout = VDUTY × N (under no-load condition)
"N" is set by the M1 and the M0 pins as follows. However, in the case of M0 pin = M1 pin = "H", the
AP1029ADN will not be in PWM control mode but be in Input control mode according to the INA and the
INB inputs. Start-up function does not work at this time. When the AP1029ADN is used in input control
mode, make sure that the VDUTY pin and the POL pin are Open.
For example, Vout will be 3V by setting M1 = M0 pins = “L” when VDUTY is 1.5V, and It will be 6V by
setting M0 = “H” and M1 = “L” when VDUTY is 1.5V.
Table 1. Output Voltage Setting Table
M1 M0
Mode of operation
LL
N=2、PWM control mode
LH
N=4、PWM control mode
HL
N=8、PWM control mode
H
H
Input control mode
(INA and INB Inputs response operation)
Start-up function
On
On
On
Off
10.2 Control Logic
The relationship between the input and output of each mode are shown below.
Table 2. Truth Table
Input
EN INA INB
Output
OUTA
OUTB
Function
HL L
Hi-Z
Hi-Z
Standby(idle)
H L H L H(PWM)
Reverse
H H L H(PWM)
L
Forward
HHH
L
L
Brake(stop)
L-
-
Hi-Z
Hi-Z
Stop
Note 10. See Figure 8 and Figure 10 for timing chart of Standby and Stop. See Figure 3 for timing chart of
Brake.
015009487-E-00
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11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet AP1029ADN.PDF ] | |
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