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参数资料
| 型号： | BD8105FV-E2 |
| 厂商： | Rohm Semiconductor |
| 文件页数： | 7/15页 |
| 文件大小： | 0K |
| 描述： | IC LED DVR SERIAL PAR 20-SSOP |
| 标准包装： | 1 |
| 拓扑： | 开路漏极 |
| 输出数： | 12 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 车载，通用 |
| 频率： | 1MHz |
| 电源电压： | 4.5 V ~ 5.5 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-SSOP（0.240"，6.10mm 宽） |
| 供应商设备封装： | 20-SSOP-B |
| 包装： | 标准包装 |
| 工作温度： | -40°C ~ 105°C |
| 其它名称： | BD8105FV-E2DKR |
BD8105FV
Technical Note
3)Enable Signal
By applying voltage at least VCC × 0.8 or more to the SDWN terminal, D0 (16 pin)~D11 (4 pin) become open forcibly.
At this time, the temperature protection circuit (TSD) stops. D11 ～ D0 become PWM operation by inputting PWM to
SDWN(3 pin).
4)SEROUT
A cascade connection can be made (connecting at least 2 or more IC’s in serial).
Serial signal input from SERIN is transferred into receiver IC by the fall edge of the CLK signal.
Since this functionality gives enough margins for the setup time prior to the rise edge of the CLK signal on the receiver
IC (using the exact same CLK signal of sender IC), the application reliability can be improved as cascade connection
functionality.
LATCH
SERIN
d11 d10
d9
d8
d7
d6
d5
d4
d3
d2
d1
d0
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
SEROUT
● Cascade Connection
Fig.14
D11
By using (at least) 2 ICs, each IC’s D11~D0, at (at least) 24ch, can be controlled by the 24-bit SERIN signal.
input to the sender IC can be transferred to the receiver IC by inputting 12CLK to the CLK terminal.
The serial data
LATCH
Send side IC
Receive side IC
SERIN
d23 d22 d21 d20
d19 d18 d17
d16 d15 d14 d13
d12 d11 d10
d9
d8
d7
d6
d5
d4
d3
d2
d1
d0
CLK
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
Fig.15
www.rohm.com
? 2011 ROHM Co., Ltd. All rights reserved.
7/12
2011.05 - Rev.C
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