参数资料
型号: MAX8804ZETA+T
厂商: Maxim Integrated Products
文件页数: 12/16页
文件大小: 0K
描述: IC USB/AC ADP CHARGER 8-TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
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: 0 V ~ 28 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
供应商设备封装: 8-TDFN-EP(2x3)
包装: 带卷 (TR)
High-Voltage, Dual-Input, USB/AC
Adapter Chargers in 2mm x 3mm TDFN
USB Charge Mode
Drive SET high to enable USB charging mode when the
USB input is valid. Subsequent low pulses with 1μs to
1ms pulse width on SET program the fast charging cur-
Table 5. MAX8804Y/MAX8804Z USB
Charging Current Programming by Series
Pulses
rent from 95mA, 380mA, to 475mA for the MAX8804Y/
MAX8804Z and from 380mA, 475mA, to 95mA for the
MAX8804V/MAX8804W and then repeat new cycle as
shown in Tables 5 and 6. Drive SET low or leave it
unconnected longer than 2ms to disable USB charg-
PULSE NUMBER
I CHG (mA)
Top-Off Current
Threshold (mA)
DEFAULT
95
80
1st
380
80
2nd
475
80
3rd
95
80
ing-control circuitry.
Table 6. MAX8804V/MAX8804W USB
Charging Current Programming by Series
Pulses
PULSE NUMBER
I CHG (mA)
Top-Off Current
Threshold (mA)
DEFAULT
380
80
1st
475
80
2nd
95
80
3rd
380
80
USB
POK
USBPWR
1
2
3
> 2ms
SET
t LOW
2ms
DELAY
t SOFTSTART
380mA
475mA
MAX8804Y/
MAX8804Z
I CHG
0mA
95mA
475mA
95mA
0mA
380mA
380mA
MAX8804V/MAX8804W
0mA
I CHG
TOP-OFF
0mA
95mA
80mA
CURRENT
THRESHOLD
Figure 4. USB Charging Current Programming
12
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