TWL2203

更新时间： 2024-11-22 22:13:55

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
16页	216K
描述
POWER SUPPLY MANAGEMENT IC

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TWL2203 数据手册

TWL2203

POWER SUPPLY MANAGEMENT IC

SLVS185 – FEBRUARY 2000

Li-Ion Battery Charging Control

Over-Voltage Shutdown

Three General-Purpose Operational

Amplifiers

Ringer Driver

Seven Low-Dropout Low-Noise Linear

Voltage Regulators (LDO)

Power Supply Switch for Accessories

Low Quiescent Current

48-pin TQFP

Voltage Detectors (With Power-Off Delay)

Four-Channel Analog Multiplexer

PFB PACKAGE

(TOP VIEW)

48 47 46 45 44 43 42 41 40 39 38 37

RINGON

RING

VOUT6

DET_DELAY

VOUT2

VREF

MUXOUT

MUXIN0

MUX0

MUX1

MUXIN1

MUXIN2

MUXIN3

OP1I–

VSUP

VOUT4

VOUT5

VOUT3

VOUT1

EN3

OP1I+ 10

OP2I– 11

OP2I+ 12

13 14 15 16 17 18 19 20 21 22 23 24

description

The TWL2203 incorporates a complete power-management system for a cellular telephone that uses

lithium-ion cells. The device includes circuitry to control the gate voltage of two P-channel MOSFETs. The

MOSFETs perform constant-voltage/constant-current charging (CVCC). The TWL2203 has seven low-drop

linear voltage regulators (LDO) to regulate the battery power supply to the different sections of the phone, a

battery voltage monitor, a ringer driver, an analog multiplexer, and three general-purpose operational amplifiers

for signal conditioning.

The TWL2203 is packaged in TI’s 48-pin thin-quad flat package (PFB).

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

MicroStar is a trademark of Texas Instruments Incorporated.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...16

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