Datasheet > NCP1854FCCT1G

NCP1854FCCT1G

更新时间： 2024-11-24 11:13:07

品牌	Logo	应用领域
安森美 - ONSEMI		电池开关稳压器
页数	文件大小	规格书
29页	696K
描述
电池充电器，开关，2.5 A，带外部功率路径控制和 USB-OTG 升压稳压器

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NCP1854FCCT1G 数据手册

NCP1854

2.5 A Fully Integrated Li-Ion

Switching Battery Charger

with Power Path

Management and USB

On-The-Go Support

http://onsemi.com

The NCP1854 is a fully programmable single cell Lithium−ion

switching battery charger optimized for charging from a USB

compliant input supply and AC adaptor power source. The device

integrates a synchronous PWM controller, power MOSFETs, and the

entire charge cycle monitoring including safety features under

software supervision. An optional battery FET can be placed between

the system and the battery in order to isolate and supply the system.

The NCP1854 junction temperature is monitored during charge cycle

MARKING

DIAGRAM

1854

AYWW

25 BUMP

FLIP−CHIP

CASE 499BN

1854 = Specific Device Code

and both current and voltage can be modified accordingly through I C

= Assembly Location

= Year

setting. The charger activity and status are reported through a

dedicated pin to the system. The input pin is protected against

overvoltages.

WW = Work Week

G = Pb−Free Package

The NCP1854 also provides USB OTG support by boosting the

battery voltage as well as providing overvoltage protected power

supply for USB transceiver.

ORDERING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on page 27 of this data sheet.

Features

• 2.5 A Buck Converter with Integrated Pass Devices

• Input Current Limiting to Comply to USB Standard

• Automatic Charge Current for AC Adaptor Charging

• High Accuracy Voltage and Current Regulation

• Input Overvoltage Protection up to +28 V

• Factory Mode

• 1000 mA Boosted Supply for USB OTG Peripherals

• Reverse Leakage Protection Prevents Battery Discharge

• Protected USB Transceiver Supply Switch

• Dynamic Power Path with Optional Battery FET

• Silicon Temperature Supervision for Optimized Charge Cycle

• Safety Timers

• Flag Output for Charge Status and Interrupts

• I C Control Bus up to 3.4 MHz

• Small Footprint 2.2 x 2.55 mm CSP Package

• These Devices are Pb−Free and are RoHS Compliant

Typical Applications

• Smart Phone

• Handheld Devices

• Tablets

• PDAs

Publication Order Number:

September, 2014 − Rev. 4

NCP1854/D

12 3 4 5 6 7...29

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与NCP1854FCCT1G相关器件

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NCP1855	ONSEMI	获取价格	Fully Integrated Li-Ion Switching Battery Charger
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NCP1855FCCT1G	ONSEMI	获取价格	Fully Integrated Li-Ion Switching Battery Charger
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NCP186AMX150TAG	ONSEMI	获取价格	LDO 稳压器，1 A，超低漏，高 PSRR，带启用
NCP186AMX175TAG	ONSEMI	获取价格	Fast Transient Response Low Voltage 1 A LDO
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