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PDF YD5901 Data sheet ( Hoja de datos )
| Número de pieza | YD5901 | |
| Descripción | 4-Channel Motor Driver for Portable CD Players | |
| Fabricantes | Wuxi Youda Electronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de YD5901 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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YOUDA INTEGRATED CIRCUIT
YD5901
4-ch MOTOR DRIVER FOR PORTABLE CD PLAYERS
YD5901
DESCRIPTION
This driver IC contains a 4ch H bridge driver and DC-DC converter control circuit on one chip, and was
developed for use in portable CD players. QFP-44 is used for the package, making it ideal for smaller sets.
FEATURES
*Built-in 4ch H Bridge Driver, and PWM Control of Load Drive Voltage is Made Possible by External
Components.
*DC-DC Converter Control Circuit on Chip.
* With Reset Output Inversion Output Pin.
*Empty Detection Level Can be Switched Between Rechargeable Battery and Dry Battery.
*Constant Current Charging; Current Value Can be Varied Using External Resistor.
*Built-in Power Transistor For Charging.
*Built-in Independent Thermal Shutdown Circuit.
WuXi YouDa Electronics Co., Ltd
Add: No.5 Xijin Road, National Hi-Tech Industrial Development Zone, Wuxi Jiangsu China
Tel: 86-510-5205117 86-510-5205108 Fax: 86-510-5205110
Website: www.e-youda.com
SHENZHEN OFFICE Tel 86-755-83740369 13823533350 Fax 86-755-83741418
Ver 3.1
1 of 10
2004-9-20
1 page  
YOUDA INTEGRATED CIRCUIT
YD5901
EO Pin Output Voltage
“H”
VEOH
EI=0.7V, Io=-100 A
1.4 1.6
V
EO Pin Output Voltage
“L”
VEOL
EI=1.3V, Io=100 A
0.3 V
Short Circuit Protection
SPRT Pin Voltage
EO=H SPRT Pin
Current1
VSPR
ISPR1
EI=1.3V
EI=0.7V
0 0.1 V
6 10 16 A
OFF=L SPRT Pin
Current2
ISPR2
EI=1.3V, OFF=0V
12 20 32
A
SPRT Pin Current3
Over-Voltage
ISPR3 EI=1.3V, BATT=9.5V 12 20 32
A
SPRT Pin Impedance
SPRT Pin Threshold
Voltage
RSPR
VSPTH
EI=0.7V, CT=0V
175 220 265 k
1.10 1.20 1.30 V
Over-Voltage Protection
Detect
VHVPR
BSEN Pin Voltage
8.0 8.4 9.0 V
Transistor Driving
SW Pin Output
Voltage1 “H”
VSW1H
BATT=CT=1.5V,
S1=VSYS2=0V,
Io=-2mA Starting Time
0.78
0.98 1.13
V
SW Pin Output Voltage
2 “H”
VSW2H
CT=0V, Io=-10mA,
EI=0.7V, SPRT=0V
1.00 1.50
V
SW Pin Output Voltage
2 “L”
VSW2L
CT=20V, IO=-10mA
0.30 0.45
V
SW Pin Oscillating
Frequency1
fsw1
CT=470pF,
VSYS1=YSYS2=0V
Starting time
65 80 95 kHz
SW Pin Oscillating
Frequency 2
fsw2
CT=470pF, CLK=0V
60 70 82 kHz
SW Pin Oscillating
Frequency 3
fsw3
CT=470pF
88.2 kHz
SW Pin Minimum Pulse
Width
TSWMIN
CT=470pF,
EO=0.5V 0.7V Sweep
0.01
0.60 ms
Pulse Duty Start
DSW1
CT=470pF,
VSYS1=VSYS2=0V
40 50 60 %
Max. Pulse Duty At
Self-Running
DSW2
CT=470pF, EI=0.7V,
CLK=0V
70 80 90 %
Max. Pulse Duty At
CLK Synchronization
DSW3
CT=470pF, EI=0.7V
65 75 85 %
WuXi YouDa Electronics Co., Ltd
5 of 10
Website: www.e-youda.com
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet YD5901.PDF ] | |
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