參數(shù)資料
型號： BQ24630RGET
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHED CAPACITOR CONVERTER, PQCC24
封裝： 4 X 4 MM, GREEN, PLASTIC, VQFN-24
文件頁數(shù)： 1/33頁
文件大?。?/td> 1893K
代理商： BQ24630RGET
24
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7
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17
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13
1
2
3
4
5
6
CE
ACN
ACP
ACDRV
STAT1
TS
SRN
SRP
ISET 2
ACSET
GND
REGN
VCC
BA
TDR
V
BTST
HIDR
V
PH
LODR
V
TTC
PG
ST
A
T2
VREF
ISET1
VFB
OAT
(bq24630)
QFN-24
www.ti.com
SLUS894 – JANUARY 2010
Stand-Alone Synchronous Switch-Mode Lithium Phosphate Battery Charger with System
Power Selector and Low Iq
Check for Samples: bq24630
1
FEATURES
24-Pin 4×4-mm2 QFN Package
300 kHz NMOS-NMOS Synchronous Buck
Energy Star Low Quiescent Current Iq
Converter
–
< 15 mA Off-State Battery Discharge current
Stand-alone Charger Specifically for Lithium
–
< 1.5 mA Off-State Input Quiescent Current
Phosphate
5V–28V VCC Input Operating Range, Support
APPLICATIONS
1-7 Battery Cells
Power Tool and Portable Equipment
High-Accuracy Voltage and Current Regulation
Personal Digital Assistants
Handheld Terminals
–
±0.5% Charge Voltage Accuracy
Industrial and Medical Equipment
–
±3% Charge Current Accuracy
Netbook, Mobile Internet Device and
–
±3% Adapter Current Accuracy
Ultra-Mobile PC
Integration
–
Automatic System Power Selection from
DESCRIPTION
Adapter or Battery
The bq24630 is highly integrated switch-mode battery
–
Internal Loop Compensation
charge controller designed specifically for Lithium
–
Internal Soft Start
Phosphate battery. It offers a constant-frequency
synchronous PWM controller with high accuracy
–
Dynamic Power Management (DPM)
current
and
voltage
regulation,
charge
Safety Protection
preconditioning,
termination,
adapter
current
–
Input Over-Voltage Protection
regulation, and charge status monitoring.
–
Battery Thermistor Sense Suspend Charge
The bq24630 charges the battery in three phases:
at Hot/Cold and Automatically ICHARGE/8 at
preconditioning,
constant
current,
and
constant
Hot/Cold or Warm/Cool
voltage. Charge is terminated when the current
reaches
a
minimum
user-selectable
level.
A
–
Battery Detection
programmable
charge
timer
provides
a
safety
–
Reverse Protection Input FET
backup. The bq24630 automatically restarts the
–
Programmable Safety Timer
charge cycle if the battery voltage falls below an
–
Charge Over-Current Protection
internal threshold, and enters a low-quiescent current
sleep mode when the input voltage falls below the
–
Battery Short Protection
battery voltage.
–
Battery Over-Voltage Protection
PACKAGE AND PINOUT
–
Thermal Shutdown
Status Outputs
–
Adapter Present
–
Charger Operation Status
Charge Enable Pin
6V Gate Drive for Synchronous Buck
Converter
30ns Driver Dead-time and 99.95% Max
Effective Duty Cycle
1
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.
Copyright 2010, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
BQ24630RGET 制造商:Texas Instruments 功能描述:BATTERY CHARGER IC
BQ24640EVM 功能描述:電源管理IC開發(fā)工具 Eval Mod for BQ24640 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
BQ24640RVAR 功能描述:電池管理 Hi Eff Synch Sw-Mode Batt Charge Cntrlr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ24640RVAT 功能描述:電池管理 Hi Eff Synch Sw-Mode Batt Charge Cntrlr RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
BQ24650EVM-639 功能描述:電源管理IC開發(fā)工具 BQ24650 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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