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參數(shù)資料
| 型號： | TWL2213CAPFBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 26/33頁 |
| 文件大?。?/td> | 498K |
| 代理商： | TWL2213CAPFBR |
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Product Folder: TWL2213CA, Power Supply Management IC and Li-ion Battery Charge Control
Keyword
Part Number
PRODUCT SUPPORT: APPLICATIONS
TWL2213CA, Power Supply Management IC and Li-ion Battery Charge Control
DEVICE STATUS: LIFETIME BUY
FEATURES
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Integrated, Single-Chip Solution for Battery Charge Control and Power Supply Management
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Linear Charger for Single-Cell Li-Ion or Li-Polymer Packs
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Integrated Control Over Precharge, Constant-Current and Constant-Voltage Charging Phases
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Programmable Charging Current
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Programmable Charge Termination by Minimum Current and Time
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Battery Temperature Sensing
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Pack Wake Up and Damaged Cell Detect Functions
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Safety Charge Timers During Precharge and Constant-Current Charging
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Six Programmable Low-Dropout Linear Voltage Regulators
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System Over- and Under-Voltage Shut Down
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Power On/Power Off and Reset Control Logic
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Three Individually Selectable LED Backlight Drivers
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Vibrator and Ringer Drivers
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Internal 8-Bit Analog-to-Digital Converter (ADC) with Auxiliary Inputs
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I2C Control Interface
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48-Terminal Plastic TQFP(PFB)
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 I2C serial interface.
The TWL2213 device is packaged in the Texas Instruments 48-terminal plastic thin quad flatpack (TQFP) package (PFB).
TECHNICAL DOCUMENTS
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DATASHEET
APPLICATION NOTES
file:///G|/imaging/BITTING/CPL/20030422/04212003_9/TXII/042120003_HTML/twl2213ca.html (1 of 2) [23-Apr-03 5:09:53 PM]
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TWL2214CA | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Power Supply Management IC and Li-Ion Battery Charge Control |
| TWL2214CAPFB | 制造商:Rochester Electronics LLC 功能描述:POWER SUPPLY MANAGEMENT IC:LION - Bulk 制造商:Texas Instruments 功能描述:CHGR LI-ION/LI-POL 150MA 2.8V 48TQFP - Tape and Reel |
| TWL2214CAPFBR | 制造商:Rochester Electronics LLC 功能描述:POWER SUPPLY MANAGEMENT IC:LION - Bulk 制造商:Texas Instruments 功能描述:CHGR LI-ION/LI-POL 150MA 2.8V 48TQFP - Tape and Reel |
| TWL2217CGGMR | 制造商:Texas Instruments 功能描述: |
| TWL2217CZQER | 制造商:Texas Instruments 功能描述: |
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