LTC4063

更新时间： 2024-09-23 22:51:47

品牌	Logo	应用领域
凌特 - Linear		电池
页数	文件大小	规格书
20页	665K
描述
Standalone Linear Li-lon Battery Charger with Thermistor Input

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LTC4063 数据手册

LTC4061

Standalone Linear Li-Ion Battery

Charger with Thermistor Input

FEATURES

DESCRIPTIO

The LTC^®4061 is a full-featured, ﬂexible, standalone linear

charger for single-cell Lithium-Ion batteries. It is capable

of operating within USB power speciﬁcations.

■

Charge Current Programmable up to 1A

■

Charges Single Cell Li-Ion Batteries Directly from

USB Port

■

Preset Charge Voltage with ±±0.35 Accuracy

Both programmable time and programmable current

based termination schemes are available. Furthermore,

the CHRG open-drain status pin can be programmed to

indicate the battery charge state according to the needs

of the application. Additional safety features designed to

maximize battery lifetime and reliability include NTC bat-

tery temperature sensing and the SmartStart^TMcharging

algorithm.

■

Thermistor Input for Temperature Qualiﬁed

Charging

Input Supply Present Logic Output

■

Thermal Regulation Maximizes Charge Rate

Without Risk of Overheating*

■

Programmable Charge Current Detection/

Termination

■

Programmable Charge Termination Timer

No external sense resistor or external blocking diode is

required for charging due to the internal MOSFET archi-

tecture. Internal thermal feedback regulates the charge

current to maintain a constant die temperature during

high power operation or high ambient temperature condi-

tions. The charge current is programmed with an external

resistor. With power applied, the LTC4061 can be put into

shutdown mode to reduce the supply current to 20µA and

the battery drain current to less than 2µA.

■

Smart Pulsing Error Feature

SmartStart^TMProlongs Battery Life

■

20µA Charger Quiescent Current in Shutdown

■

Available in a Low Proﬁle (0.75mm) 10-Lead

(3mm × 3mm) DFN Package

APPLICATIO S

■

Handheld Computers

■

Portable MP3 Players

Other features include smart recharge, USB C/5 cur-

rent programming input, undervoltage lockout and AC

Present logic.

■

Digital Cameras

, LTC and LT are registered trademarks of Linear Technology Corporation.

All other trademarks are the property of their respective owners.

SmartStart is a trademark of Linear Technology Corporation.

*Protected by U.S. Patents including 6522118.

Complete Charge Cycle (11±±mAh Battery)

TYPICAL APPLICATIO

900

800

700

600

500

400

300

200

100

4.3

4.2

4.1

4.0

3.9

3.8

3.7

3.6

3.5

3.4

8±±mA Single Cell Li-Ion Battery Charger

(C/1± Termination)

800mA

BAT

4.3V TO 8V

LTC4061

1µF

CHRG

ACPR

NTC

C/5

BATTERY

CURRENT

BATTERY

VOLTAGE

4.2V

SINGLE CELL

Li-Ion BATTERY

TIMER

PROG

DET

GND

= 5V

619Ω

= 25°C

4061 TA01a

0.5

1.0

1.5

2.0

2.5

3.0

TIME (HOURS)

4061 TA01b

4061fa

12 3 4 5 6 7...20

中文翻译

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与LTC4063相关器件

型号	品牌	获取价格	描述	数据表
LTC4063EDD	Linear	获取价格	LTC4063 - Standalone Linear Li-Ion Charger with Micropower Low Dropout Linear Regulator; P
LTC4063EDD#PBF	Linear	获取价格	LTC4063 - Standalone Linear Li-Ion Charger with Micropower Low Dropout Linear Regulator; P
LTC4063EDD#TR	Linear	获取价格	暂无描述
LTC4063EDD#TRPBF	Linear	获取价格	LTC4063 - Standalone Linear Li-Ion Charger with Micropower Low Dropout Linear Regulator; P
LTC4064	Linear	获取价格	Monolithic Linear Charger for Back-Up Li-Ion Batteries
LTC4064	ADI	获取价格	用于备用锂离子电池的单片线性充电器
LTC4064EMSE	Linear	获取价格	Monolithic Linear Charger for Back-Up Li-Ion Batteries
LTC4065	Linear Systems	获取价格	Standalone 250mA Li-Ion Battery Charger in 2
LTC4065	Linear	获取价格	Standalone 750mA Li-Ion Battery Charger in 2
LTC4065	ADI	获取价格	2 x 2 DFN 封装的独立 750mA 锂离子电池充电器

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