Datasheet > AAT3672IWO-4.2-3-T1

AAT3672IWO-4.2-3-T1

更新时间： 2024-01-06 01:31:24

品牌	Logo	应用领域
思佳讯 - SKYWORKS		光电二极管
页数	文件大小	规格书
27页	3933K
描述
Power Supply Management Circuit, Adjustable, 1 Channel, PDSO14, TDFN-14

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AAT3672IWO-4.2-3-T1 技术参数

生命周期：	Obsolete	包装说明：	HVSON,
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.8
可调阈值：	YES	模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 代码：	S-PDSO-N14	长度：	3 mm
信道数量：	1	功能数量：	1
端子数量：	14	最高工作温度：	85 °C
最低工作温度：	-25 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	HVSON	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE	座面最大高度：	0.8 mm
最大供电电压 (Vsup)：	6.5 V	最小供电电压 (Vsup)：	4 V
标称供电电压 (Vsup)：	5 V	表面贴装：	YES
温度等级：	OTHER	端子形式：	NO LEAD
端子节距：	0.4 mm	端子位置：	DUAL
宽度：	3 mm	Base Number Matches：	1

AAT3672IWO-4.2-3-T1 数据手册

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DATA SHEET

AAT3672

1.6A Dynamic Battery Charger and Power Manager

Pin Descriptions

Pin # Name Type Function

Connect a resistor from this pin to GND set the ADP fast charge constant current. The programmed

constant current level should be less than the ADP current limit set by ADPLIM speciﬁcation (I_{LIM_ADP}).

Adapter input, source of system load and battery charging. Connect a 1μF (minimum) ceramic ca-

pacitor as close as possible between ADP and GND.

ADPSET

ADP

This open-drain MOSFET device is for charger status reporting. If used for status indication display,

connect an LED Cathode to this node with a series ballast resistor. Connect the LED anode to OUT or

ADP.

STAT1

GND

I/O

Common ground connection.

AAT3672-1/-2: This open-drain MOSFET device is for charger status reporting. If used for status

indication display, connect an LED cathode to this node with a series ballast resistor. Connect the LED

anode to OUT or ADP.

AAT3672-3: The EN2 pin (internal pull-down) is used together with the EN1 pin; see Table 2 in the

"Functional Description" section of this datasheet.

AAT3672-1/-2: Input enable (internal pull-down). High to enable the ADP switch and battery charg-

ing path; low or ﬂoating to disable the ADP switch and battery charging function. See Table 1 in the

"Functional Description" section of this datasheet.

STAT2

EN2

AAT3672-3: This EN1 pin (internal pull-down) is used together with the EN2 pin; see Table 2 in the

"Functional Description" section of this datasheet.

Enable Input power to OUT, the dynamic power path from the ADP input to the system load. Active

high input (internal pull down).

Battery load switch enable, active high. Battery load switch control the power path between the bat-

tery cell and OUT (internal pull down).

EN1

ENO

ENBAT

Adaptor mode charge reduction voltage threshold programming pin. The ADP charge reduction

threshold may be adjusted from the default value by placing a voltage divider between this pin to

VADP and GND to this pin.

Connect a resistor between this pin and GND to program the charge termination current threshold.

The charge termination current level can be disabled by connecting this pin to a logic high level.

CHRADP

TERM

Battery temperature sensing input. For typical applications, connect a 10kΩ resistor from ADP to this

pin and a 10kΩ NTC thermistor located inside the battery pack under charge to this pin and GND to

sense battery over temperature conditions during the charge cycle. To disable the TS function, con-

nect with a 10kΩ resistor between this pin and GND.

Battery pack (+) connection. For best operation, a 1μF (minimum) ceramic capacitor should be

placed as close as possible between BAT and GND.

System dynamic power output supplied from the ADP input, BAT or both. Connect a 10μF capacitor

between this pin and GND for best system stability. If the system load circuit contains a reasonable

bulk capacitance, the output capacitor value may be reduced.

BAT

I/O

OUT

Battery charge timer input pin, connect a capacitor on this pin to set the ADP charge timers. Typi-

cally, a 0.1μF ceramic capacitor is connected between this pin and GND. To disable the timer circuit

function, connect this pin directly to GND.

I/O

Exposed paddle (package bottom). Connect to GND as closely to the device as possible.

Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

201880B

• Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice. • April 25, 2012

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