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參數資料
| 型號： | TPS61090RSAR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 2.5 A BATTERY CHARGE CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 4 X 4 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 753K |
| 代理商： | TPS61090RSAR |
Actual Size
(4,15 mm x 4,15 mm)
www.ti.com
FEATURES
DESCRIPTION
APPLICATIONS
SW
C1
10
F
L1
6.8
H
R1
R2
VBAT
VOUT
FB
C2
2.2
F
C3
100
F
LBO
PGND
LBI
SYNC
EN
GND
TPS6109x
e.g. 5 V up to
500 mA
Low Battery
Output
R3
R4
R5
1.8 V to 5 V
Input
TPS61090
TPS61091, TPS61092
SLVS484A – JUNE 2003 – REVISED APRIL 2004
SYNCHRONOUS BOOST CONVERTER
WITH 2A SWITCH
Synchronous (96% Efficient) Boost Converter
The TPS6109x devices provide a power supply
With 500-mA Output Current From 1.8-V Input
solution for products powered by either a one-cell
Li-Ion or Li-polymer, or a two-cell alkaline, NiCd or
Available in a 16-Pin QFN 4 x 4 Package
NiMH battery and required supply currents up to or
Device Quiescent Current: 20-A (Typ)
higher than 1 A. The converter generates a stable
Input Voltage Range: 1.8-V to 5.5-V
output voltage that is either adjusted by an external
resistor divider or fixed internally on the chip. It
Adjustable Output Voltage Up to 5.5-V Fixed
provides high efficient power conversion and is
Output Voltage Options
capable of delivering output currents up to 0.5 A at 5
Power Save Mode for Improved Efficiency at
V at a supply voltage down to 1.8 V. The im-
Low Output Power
plemented boost converter is based on a fixed
Low Battery Comparator
frequency, pulse-width- modulation (PWM) controller
using a synchronous rectifier to obtain maximum
Low EMI-Converter (Integrated Antiringing
efficiency. Boost switch and rectifier switch are con-
Switch)
nected internally to provide the lowest leakage induct-
Load Disconnect During Shutdown
ance and best EMI behavior possible. The maximum
Over-Temperature Protection
peak current in the boost switch is limited to a value
of 2500 mA.
The converter can be disabled to minimize battery
All Single Cell Li or Dual Cell Battery, or USB
drain. During shutdown, the load is completely dis-
Powered Operated Products as MP-3 Player,
connected from the battery. A low-EMI mode is
PDAs, and Other Portable Equipment
implemented to reduce ringing and, in effect, lower
radiated electromagnetic energy when the converter
enters the discontinuous conduction mode.
The output voltage can be programmed by an exter-
nal resistor divider or is fixed internally on the chip.
The device is packaged in a 16-pin QFN 4 x 4 mm
(16 RSA) package.
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 2003–2004, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS61090RSARG4 | 功能描述:直流/直流開關調節器 Adj 500-mA 96% Eff Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61091 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH |
| TPS61091RSA | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SYNCHRONOUS BOOST CONVERTER WITH 2A SWITCH |
| TPS61091RSAR | 功能描述:直流/直流開關調節器 3.3-V Output 500-mA Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS61091RSARG4 | 功能描述:直流/直流開關調節器 3.3-V Output 500-mA Boost Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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