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| 型号： | MAX8900CEWV+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 14/35页 |
| 文件大小： | 0K |
| 描述： | IC LI BATTERY CHARGER 1.2A WLP |
| 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）、锂聚合物（Li-Pol） |
| 电源电压： | 3.4 V ~ 6.3 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 30-WFBGA，WLBGA |
| 供应商设备封装： | 30-WLP |
| 包装： | 带卷 (TR) |
第1页第2页第3页第4页第5页第6页第7页第8页第9页第10页第11页第12页第13页当前第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页第29页第30页第31页第32页第33页第34页第35页
MAX8900A/MAX8900B/MAX8900C
1.2A Switch-Mode Li+ Chargers with ±22V Input
Rating and JEITA Battery Temperature Monitoring
Pin Description (continued)
14
PIN
C3–C6
D1
D2
D3–D6
E1
E2
E3
E4
E5
E6
NAME
INBP
STAT1
STAT3
IN
DNI
SETI
CT
THM
AVL
GND
FUNCTION
Power Input Bypass. Connect all INBP pins together externally. Bypass INBP to PGND with a 0.47 F F
ceramic capacitor.
Status Output 1. STAT1 is an open-drain output that has a 30V absolute maximum rating and a typical
internal pulldown resistance of 25 I . For the MAX8900A, STAT1 and STAT2 indicate different states
as shown in Table 4. For the MAX8900B/MAX8900C, STAT1, STAT2, and STAT3 indicate different
operating states of the MAX8900_ as shown in Table 3.
Status Output 3. STAT3 is an open-drain output that is a 6V absolute maximum rating and a typical
pulldown resistance of 10 I . For the MAX8900A, STAT1 and STAT2 indicate different states as shown
in Table 4. For the MAX8900B/MAX8900C, STAT1, STAT2, and STAT3 indicate different operating
states of the MAX8900_ as shown in Table 3.
Power Input. IN is capable of delivering 1.2A to the battery and/or system. Connect all IN pins
together externally. Bypass IN to PGND with a 0.47 F F ceramic capacitor.
Done/Prequalification Program Input. DNI is a dual function pin that sets both the done current
threshold and the prequalification charge rate. Connect a resistor from DNI to GND to set the
threshold between 10mA and 200mA. DNI is pulled to GND during shutdown.
Fast-Charge Current Program Input. Connect a resistor from SETI to GND to set the fast-charge
current from 0.05A to 1.2A. SETI is pulled to GND during shutdown.
Charge Timer Set Input. A capacitor (C CT ) from CT to GND sets the prequalification/dead-battery
and fast-charge fault timers. Use 0.1 F F for 180-minute fast-charge time limit and 30-minute
prequalification/dead-battery time limit. Connect to GND to disable the timer.
Thermistor Input. Connect a negative temperature coefficient (NTC) thermistor from THM to GND.
Connect a resistor equal to the thermistor’s +25 N C resistance from THM to AVL. Thermistor adjusts
the charge current and termination voltage as described in the JEITA specification for safe use of
secondary Li+ batteries. See Figure 10. To disable the THM operation, bias V THM midway between
AVL and GND.
5V Linear Regulator to Power Low-Noise Internal Circuits. Bypass AVL to GND with a 0.1 F F ceramic
capacitor. Powering external loads from AVL is not recommended.
Ground. GND is the low-noise ground connection for the internal circuitry. See the PCB Layout
section for more details.
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8900DEWV+T | 功能描述:电池管理 1.2A Switch-Mode Li+/Li-Poly Charger 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 |
| MAX8901AETA+ | 制造商:Maxim Integrated Products 功能描述:HIGHEST EFFICIENCY SUPPLY 8TDFN EP - Rail/Tube |
| MAX8901AETA+T | 功能描述:LED照明驱动器 Supply for 2 to 6 Series WLEDs RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
| MAX8901BETA+ | 制造商:Maxim Integrated Products 功能描述:HIGHEST EFFICIENCY SUPPLY FOR 2 TO 6 SERIES WLEDS IN A - Rail/Tube |
| MAX8901BETA+CAR | 功能描述:LED照明驱动器 RoHS:否 制造商:STMicroelectronics 输入电压:11.5 V to 23 V 工作频率: 最大电源电流:1.7 mA 输出电流: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:SO-16N |
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