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参数资料
| 型号： | MAX8606ETD+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/14页 |
| 文件大小： | 0K |
| 描述： | IC BATT CHRGR LI+ 1CELL 14TDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 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： | 4.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 标准包装 |
| 其它名称： | MAX8606ETD+TDKR |
USB/AC Adapter, Li+ Linear Battery Charger
with Integrated 50m Ω Battery Switch in TDFN
Connect a 4.7μF ceramic capacitor from IN to GND as
close to the IC as possible. Use a larger input bypass
capacitor to reduce supply noise.
Thermal Considerations
The MAX8606 is available in a thermally enhanced
TDFN package with exposed paddle. Connect the
exposed paddle to a large copper ground plane to pro-
vide a good thermal contact between the device and
the circuit board. The exposed paddle transfers heat
away from the device, allowing the MAX8606 to charge
the battery with maximum current while minimizing the
increase in die temperature.
USB/AC-ADAPTER
OVP UP TO 14V
C1
4.7 μ F
C3
0.1 μ F
IN
GND
VL MAX8606
V I/O
C HG
POK
SYS
D1
STATUS
INDICATORS
R2 R3
1k Ω 100k Ω
C4
0.1 μ F
+3.5V TO +4.2V
C2
DC Input Sources
The MAX8606 operates from well-regulated DC
sources. The full-charging input voltage range is 4.25V
to 5.8V. The device survives input voltages up to 14V
without damage to the IC. If V IN is greater than 5.8V
(typ), the IC stops charging. An appropriate power sup-
ply must provide at least 4.25V when sourcing the
EN1
EN2
TMR
SETI
BAT
THM
T1
10k Ω
NTC
4.7 μ F
4.2V Li+
desired peak charging current. It also must stay below
5.8V when unloaded.
Application Circuits
Stand-Alone Li+ Charger
The MAX8606 provides a complete Li+ charging solu-
tion. Figure 3 shows the MAX8606 as a stand-alone Li+
battery charger. The 23.58k Ω resistor connected to
SETI sets a charging current of 712mA (typ). The LED
indicates when either prequal or fast-charging has
begun. When the battery is charged the LED turns off.
USB Application with AC Adapter
The MAX8606 can be configured for USB applications
with an optional AC-adapter input (Figure 4). The p-
channel MOSFET disconnects the USB port when the
AC adapter is installed. Alternately, the USB port and
AC adapter may be excluded from each other by
mechanical means, such as using a single connector.
R1
23.58k Ω
Figure 3. Stand-Alone Application
Layout and Bypassing
Place the input capacitor as close to the device as pos-
sible. Provide a large copper ground plane to allow the
exposed paddle to sink heat away from the device.
Connect the battery to BAT as close to the device as
possible to provide accurate battery voltage sensing.
Make all high-current traces short and wide to minimize
voltage drops. A sample layout is available in the
MAX8606 evaluation kit to help speed designs.
USB-Powered Li+ Charger
The universal serial bus (USB) provides a high-speed
serial communication port, as well as power for the
remote device. The MAX8606 can be configured to
charge a battery at the highest current possible from
the host port. Figure 5 shows the MAX8606 as a USB
battery charger. To make the circuit compatible with
either 100mA or 500mA USB ports, the system software
begins at 100mA charging current. The microprocessor
then enumerates with the host to determine its current
capability. If the host port is capable, the charging cur-
rent is increased to 475mA to avoid exceeding the
500mA USB specification.
PROCESS: BiCMOS
Chip Information
10
______________________________________________________________________________________
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相关代理商/技术参数 |
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|---|---|
| MAX8606EVKIT | 功能描述:电池管理 Evaluation Kit for the MAX8606 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 |
| MAX8607ETD | 制造商:Maxim Integrated Products 功能描述:1MHZ PWM BOOST CONVERTER FOR 1.5A W - Rail/Tube |
| MAX8607ETD+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC DUAL-OUT STEP UP 14TDFN EP - Rail/Tube |
| MAX8607ETD+T | 功能描述:LED照明驱动器 1MHz PWM Boost Converter 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 |
| MAX8607ETD-T | 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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