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PDF AP1023 Data sheet ( Hoja de datos )
| Número de pieza | AP1023 | |
| Descripción | 2ch H-Bridge Constant Voltage Control Motor Driver IC | |
| Fabricantes | AKM | |
| Logotipo |  |
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[AP1023AEN]
AP1023
2ch H-Bridge Constant Voltage Control Motor Driver IC
1. General Description
The AP1023 is 2ch H-Bridge Motor Driver corresponding to motor operating voltage range from 1.6 to 6.5V.
The AP1023 is capable of driving two motor or one stepper motor. The AP1023 is suitable for battery drive
application, and realizes to the battery life by PWM constant voltage control. The AP1023 is housed in a
small 4×4mm 24pin QFN package with good heat dissipation performance, and therefore contributes to
downsize Printed Circuit Board.
2. Features
PWM Constant Voltage Control
Motor Operating Voltage
Control Supply Voltage
Maximum Output Current
H-Bridge On-Resistance（High＋Low)
Built-in Charge Pump block
Under Voltage Lockout Circuit (UVLO)
Thermal Shutdown Circuit (TSD)
Operating Temperature Range
Package
1.6V～6.5V
2.7V～5.5V
1.45A(Ta=25℃, 2ch simultaneously)
0.54Ω (Ta=25°C)
-30°C～85°C
24pin QFN (4mm×4mm, with Ex-posed PAD)
016000616-E00
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1 page  
[AP1023AEN]
7. Absolute Maximum Ratings
Parameter
Symbol min max Unit
Condition
Control Supply Voltage
VC -0.5 6.0 V
Motor Operating Voltage
VM -0.5 7.0 V
VC Level Terminal Voltage
(INn,VREF,VSET,M1,M0,EN)
VM Level Terminal Voltage
(OUTnA, OUTnB,CL)
VC+VM Level Terminal Voltage
(CH,VG)
Maximum Output Current
Vterm1
Vterm2
Vterm3
Iload
-0.5
-0.5
-0.5
-
-
VC V
VM V
13.0 V
1.35
A
Ta=85°C, 1ch
(Note 3)
Ta=85°C,
0.95 A/ch 2ch simultaneously
(Note 3,Note 4)
Power Dissipation
Junction Temperature
Thermal shutdown detection
PD
-
3.125
W Temperature: Tj=150°C ,
(Note 3,Note 4)
Tj - 150 °C
Storage Temperature
Tstg -40 150 °C
Note 2.All above voltages are with respect to GND=PGND=0V. GND and PGND must be connected to a
ground plane.
Note 3. For Power Dissipation, the output current rating may be limited by duty cycle, Ta, and PCB board
heat sinking design.
Note 4.A 4-layer board is used. RθJA = 40°C/W.
3.6
3.2
2.8
2.4
2.0 RθJA=40°C/W at 4-layer PCB
1.6
1.2
0.8
0.4
0.0
0
25 50 75 85 100 125 150
Temperature (°C)
Figure 2. Maximum Power Dissipation
175
WARNING: Operation at or beyond these limits may result in permanent damage to the device. Normal
operation is not guaranteed at these extremes.
016000616-E00
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[AP1023AEN]
10.3 Protection Circuits
・Under Voltage Lockout(UVLO)
If VC voltage is lower than 2.2V (typ.) at the starting, the H-Bridge output is the Hi-Z.
・Thermal Shutdown(TSD)
When the internal temperature of the IC reaches the specified
temperature (TTSD(min)=150°C), and the H-Bridge driver
outputs Hi-Z. When the internal temperature after the
detection is lowered about 30°C (TTSDHYS), drivers will start
the operation.
Detection of abnormal heating
↓
OUTnA/OUTnB: Hi-Z
Restart Temperature = TTSD - TTSDHYS
Waiting for Temperature decrease
Hysterisis：30℃typ
Motor Driver restaarts
OUTnA/OUTnB:
IN1～IN4 setting
Figure 5.Detection of abnormal heating
TSD
TDET
TDETHYS
Tj
VM
UVLO
VC VCDET_LV
IN
IOUT
OUT
Hi-Z
Hi-Z
Hi-Z
Figure 6. Protection Circuits Timing Chart
Note 8.There is no restriction to the power-up sequence of VM and VC.
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11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet AP1023.PDF ] | |
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