Datasheet > TWL2213CA

TWL2213CA

更新时间： 2024-11-23 11:58:39

品牌	Logo	应用领域
德州仪器 - TI		电池
页数	文件大小	规格书
31页	438K
描述
POWER SUPPLY MANAGEMENT IC AND Li-Ion BATTERY CHARGE CONTROL

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TWL2213CA 数据手册

TWL2213CA

POWER SUPPLY MANAGEMENT IC AND

Li-Ion BATTERY CHARGE CONTROL

SLVS280 – MARCH 2001

Integrated, Single-Chip Solution for Battery

Charge Control and Power Supply

Management

Six Programmable Low-Dropout Linear

Voltage Regulators

System Over- and Under-Voltage Shut

Down

Linear Charger for Single-Cell Li-Ion or

Li-Polymer Packs

Power On/Power Off and Reset Control

Logic

Integrated Control Over Precharge,

Constant-Current and Constant-Voltage

Charging Phases

Three Individually Selectable LED Backlight

Drivers

Programmable Charging Current

Vibrator and Ringer Drivers

Programmable Charge Termination by

Minimum Current and Time

Internal 8-Bit Analog-to-Digital Converter

(ADC) with Auxiliary Inputs

Battery Temperature Sensing

I C Control Interface

Pack Wake Up and Damaged Cell Detect

Functions

48-Terminal Plastic TQFP(PFB)

Safety Charge Timers During Precharge

and Constant-Current Charging

description

The TWL2213 is a single-chip battery and power management solution for wireless handsets, pagers, personal

data assistants (PDAs), and other battery-powered devices. For battery charging, the device incorporates a

linear charger for single-cell Li-Ion and lithium polymer battery packs. Prior to charging, the TWL2213 initiates

battery pack wake up and damaged cell detect functions. For deeply discharged batteries, the device performs

precharge conditioning by trickle-charge to user-defined current settings. Once acceptable pack voltage is

detected, TWL2213 applies a constant-current fast charge at a current level that is determined by a combination

of an external sense resistor and user-programmable sense voltage. When the battery reaches the selected

charge regulation voltage, TWL2213 maintains regulation until charging is terminated by a minimum current or

a timer. During the entire charge cycle, TWL2213 monitors temperature by external thermistor and suspends

charging if temperature exceeds a programmed range. Three programmable safety timers limit the precharge,

constant-current, and total charge times.

For power management, the TWL2213 includes six low-dropout linear voltage regulators. One regulator is

driven from the device’s power on/off logic and incorporates a microcontroller reset function. Five low noise

regulators include individually programmable output voltage and enable-disable. The TWL2213 can be

powered from a battery or AC adapter. When an adapter is present, it supplies power to the device, allowing

the system to function without battery.

TWL2213 also includes individually selectable drivers for three separate backlight LEDs, a ringer, and a vibrator

motor. An internal 8-bit analog-to-digital converter (ADC) is accessible from external pins. The system

microcontroller accesses all TWL2213 programming and status via the I C serial interface.

The TWL2213 device is packaged in the Texas Instruments 48-terminal plastic thin quad flatpack (TQFP)

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.

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...31

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与TWL2213CA相关器件

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TWL2214CA	ETC	获取价格	Power Supply Management IC and Li-Ion Battery Charge Control
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TWL2214CAPFBR	TI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48, PLASTIC, TQFP-48, Power Management Circuit
TWL6030	TI	获取价格	Fully Integrated Power Management with Switch Mode Charger
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TWL6030B107CMRR	TI	获取价格	Fully Integrated Power Management with Switch Mode Charger
TWL6030B1A0CMR	TI	获取价格	Fully Integrated Power Management with Switch Mode Charger
TWL6030B1A0CMRR	TI	获取价格	Fully Integrated Power Management with Switch Mode Charger
TWL6030B1A4CMR	TI	获取价格	Fully Integrated Power Management with Switch Mode Charger

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