参数资料
| 型号： | BA6423AF-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 4/13页 |
| 文件大小： | 0K |
| 描述： | IC FAN MOTOR DRIVER 1A SOP8 TR |
| 标准包装： | 2,500 |
| 应用： | 风扇电机驱动器 |
| 输出数： | 1 |
| 电流 - 输出： | 1A |
| 电源电压： | 6 V ~ 28 V |
| 工作温度： | -40°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.173"，4.40mm 宽） |
| 供应商设备封装： | 8-SOP |
| 包装： | 带卷 (TR) |
BA6423AF
Datasheet
● Description of operations
1) Lock protection and automatic restart
Lock detection ON time (Ton) and lock detection OFF time (Toff) is set by charging and discharging of
external capacitor of LD terminal.
Ton (Lock detection ON time) =
Toff (Lock detection OFF time) =
H-
OUT1
LD terminal
clamping voltage
LD terminal
LD
C ? (Vldcl-Vldcp)
Ildc
C ? (Vldcl-Vldcp)
Ildd
Output Tr OFF
Toff
Output Tr
ON
Ton
C : Capacity of capacitor equipped
externally on LD terminal
Vldcl : LD terminal clamping voltage
Vldcp : LD terminal comparator voltage
Ildc : LD terminal charging current
Ildd : LD terminal discharging current
comparator voltage
HIGH (open collector)
AL
Motor locking
Lock detection
Lock release
Returns
normal operation
Fig.7 Lock protection timing chart
*BA6423AF returns normal operation by the input of hall signal during Toff.
2) Hall input setting
Hall input voltage range is shown in operating conditions.
Vcc
Hall input voltage range
upper limit
Hall input voltage range
lower limit
GND
Fig.8 Hall input voltage range
Adjust the value of hall element bias resistor R1 in Fig.9 so that the input voltage of a hall amplifier is input in "hall
input voltage range" including signal amplitude.
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TSZ22111 ? 15 ? 001
4/10
TSZ02201-0H1H0B100230-1-2
19.Jul.2012 Rev.001
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