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参数资料
| 型号： | MAX14578AEEWC+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 18/23页 |
| 文件大小： | 0K |
| 描述： | IC CHRGR DETECTOR USB LI+ 12WLP |
| 标准包装： | 2,500 |
| 功能： | 充电管理 |
| 电池化学： | 锂离子（Li-Ion） |
| 电源电压： | 2.8 V ~ 5.5 V, 3.5 V ~ 28 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
MAX14578E/MAX14578AE
USB Battery Charger Detectors
Bit Transfer
One data bit is transferred during each clock pulse
(Figure 6). The data on SDA must remain stable while
SCL is high.
Acknowledge
The acknowledge bit is a clocked 9th bit that the
recipient uses to handshake receipt of each byte of
data (Figure 7). Thus, each byte transferred effectively
requires nine bits. The master generates the 9th clock
pulse, and the recipient pulls down SDA during the
acknowledge clock pulse. The SDA line is stable low
during the high period of the clock pulse. When the
master is transmitting to the MAX14578E, it generates
the acknowledge bit because the MAX14578E is the
SDA
SCL
recipient. When the MAX14578E is transmitting to the
master, the master generates the acknowledge bit
because the master is the recipient.
Slave Address
The MAX14578E has a 7-bit long slave address. The bit
following a 7-bit slave address is the R/ W bit, which is
low for a write command and high for a read command.
The slave address is 01011001 for read commands and
01011000 for write commands. See Figure 8.
Bus Reset
The MAX14578E resets the bus with the I 2 C START
condition for reads. When the R/ W bit is set to 1, the
MAX14578E transmits data to the master, thus the mas-
ter is reading from the device.
Figure 6. Bit Transfer
START
CONDITION
DATA LINE STABLE;
DATA VALID
CHANGE OF DATA
ALLOWED
CLOCK PULSE FOR
ACKNOWLEDGE
SCL
1
2
8
9
SDA
BY
TRANSMITTER
SDA
BY
RECEIVER
S
Figure 7. Acknowledge
SDA
0
1
0
1
1
0
0
R/W
ACK
MSB
SCL
Figure 8. Slave Address
18
LSB
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX14578AEWC+ | 制造商:Maxim Integrated Products 功能描述:USB CHARGER DETECTION IC - Rail/Tube |
| MAX14578AEWC+T | 制造商:Maxim Integrated Products 功能描述:USB CHARGER DETECTION IC - Tape and Reel |
| MAX14578EETE+ | 功能描述:电池管理 USB Battery Charger Detector RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX14578EETE+T | 功能描述:电池管理 USB Battery Charger Detector RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
| MAX14578EEWC+ | 功能描述:电池管理 USB Battery Charger Detector RoHS:否 制造商:Texas Instruments 电池类型:Li-Ion 输出电压:5 V 输出电流:4.5 A 工作电源电压:3.9 V to 17 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:VQFN-24 封装:Reel |
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