Electronic component search and free download site.
Transistors,MosFET ,Diode,Integrated circuits

P/N + Description + Content Search

Search Word's :

Part Name(s) : BD4201FV ROHM
ROHM Semiconductor
Description : Battery Backup IC View

BD4201FV is a Battery Backup IC. Switch that detect Battery voltage and switch into back up power supply and 3-channel regulator are incorporated into a single chip. Current consumption is 15µA (Max.). This IC is perfect for portable appliances.

zFeatures
1) Low quiescent current Normal operation < 15.0µA Max. Backup mode < 2.1µA Max.
2) 3 high accurate voltage regulators
3) Low dropout voltage, and high accurate voltage detectors (CS, RESET)
4) Control circuit; Backup
5) Special sequence; For shifting to the Backup mode. It need to make main Battery over +Vdet1 once.

ApplICations
    Portable video, Digital camera

Part Name(s) : MB3790 MB3790PF MB3790PFT Fujitsu
Fujitsu
Description : Battery Backup IC View

■DESCRIPTION

The MB3790 is designed to control power supplies to SRAM, logIC IC, or other circuit devICes and protects them against momentary power failures by using Backup batteries. In addition to its function to supply the power to these devICes, it has a function to switch the source of power to the primary or secondary Backup Battery when the power supply voltage drops below a predetermined level. Also, it outputs a reset signal when the power supply turns on or off or when a fault occurs in the power supply. Ideally designed as a single-chip IC for power supply control, the MB3790 consumes only a minimal current and comes in a thin-type package. Therefore, it is best suited for power supply control in memory cards and similar other devICes.



■FEATURES

• Input circuit current consumption when non-loaded: 50 &mICro;A [typ]

• Output drive current: 200 mA [max]

• Resistance between input and output: 0.5 ohms [typ]

• Input power-down detection level: 4.2 V ± 2.5 %

• On-chip power-on reset circuit

• Primary Battery voltage-down detection levels: 2.65 V, 2.37 V


Part Name(s) : BA6129AF BA6162 BA6162F ROHM
ROHM Semiconductor
Description : Reset IC with Battery Backup function View

The BA6129AF, BA6162, and BA6162F are reset ICs with a Battery Backup function, designed for equipment using SRAMs and other similar components. These ICs are configured of a reset signal and CS signal output unit and a power supply switching unit.

Features
1) Equipped with Battery Backup function.
2) Equipped with both CS signals (CS and CSB) and
   Reset signals.
3) Low current dissipation when powered from Battery.
4) Low voltage loss when powered from Battery.
5) Smooth switching between power supply and Battery.

ApplICations
   Equipment using SRAMs (cards, cassettes, facsimile machines,
   copiers, word processors, personal computers, etc.)

Part Name(s) : M62021 M62021FP M62021L M62021P Renesas
Renesas Electronics
Description : System Reset IC with Switch for Memory Backup View

Description

The M62021 is a system IC that controls the memory Backup function of mICrocomputer (internal RAM).

The IC outputs reset signals (RES/RES) to a mICrocomputer at power-down and power failure. It also shifts the power supply to RAM from main to Backup, outputs a signal (CS) that invokes standby mode, and alters RAM to Backup circuit mode.



Features

•  Built-in switch for selection between main power supply and Backup power supply to RAM.

•  Small difference between input and output voltage (IOUT= 80 mA, VIN = 5 V) 0.2 V Typ

•  Detection voltage (power supply monitor voltage) 4.40 V ±0.2 V

•  Chip select signal output (CS)

•  Two channels of reset outputs (RES/RES)

•  Power on reset circuit built-in

•  Delay time variable by an external capacitance connected to Ct pin

•  Facilitates to form Backup function with a few number of components



ApplICation

•  Power supply control systems for memory Backup of mICrocomputer system and SRAM boards with built-in Backup function that require switching between external power supply and Battery.



Part Name(s) : 155833 15585 LTC1558 LTC1558-3.3 LTC1558-5 LTC1558CGN-3.3 LTC1558CGN-5 LTC1558CS-3.3 LTC1558CS-5 LTC1558CS8-3.3 Linear
Linear Technology
Description : Backup Battery Controller with Programmable Output View

DESCRIPTION

The LTC®1558 is a Backup Battery controller that provides all the functions necessary to implement a Backup power supply using a single NICd cell. It includes a 1.2V boost converter, an intelligent 2-stage Battery charger, auto matIC Backup switching and a mICroprocessor reset generator. The boost converter uses a synchronous switching architecture to achieve a typICal effICiency of 70%, ensuring maximum Backup lifetime from a small NICd cell.



FEATURES

■ Complete Battery Backup System in an SO-8, 16-Pin GN or SO Package

■ Generates Adjustable Backup Voltage from a Single 1.2V NICd Button Cell

■ AutomatIC Main Supply to Backup Switching

■ Minimum 100mW Output Power

■ AutomatIC Fast Recharge of NICd Battery

■ Programmable NICd TrICkle Charge Current

■ Smart NICd Charger Minimizes Recharge Time and Maximizes System EffICiency After Backup

■ On-Chip Power-On Reset

■ Pushbutton Reset Input

■ Reset Assertion Guaranteed at VCC= 1V

■ Short-Circuit Protection

■ Thermal Limiting



APPLICATIONS

■ Notebook Computers

■ Palmtop Computers/PDAs

■ Portable Instruments

Battery-Powered Systems


Part Name(s) : ACT2801 ACT2801CQL-T ACT2801QL-T ACT2801QL-T0550 ACT2801QL-T1026 ETC
Unspecified
Description : 5V/1.5A Backup Battery Pack Manager View

[ACTIVE-SEMI]



GENERAL DESCRIPTION

ACT2801 is a space-saving and high-performance low-profile single-chip solution for Backup Battery pack and standalone Battery charger. ACT2801 integrates all the functions that a Backup Battery pack needs, including switching charger, boost converter and LED indICation.



FEATURES

DedICated Single Chip Solution for Mobile Power With Minimal Component Count

5V/1.5A Constant Output Current in Boost Mode

1.5A Switching Charger

Programmable 4.1V to 4.35V Battery Voltage

95% Boost EffICiency (Vbat=4.1V)

Adaptive to 10mA-2400mA Input Sources

Battery Disconnection at Output Short

<10&mICro;A Low Battery Leakage Current at HZ

Mode During Storage

Boost Auto Turn-off at No Load and Push Button Turn-on

Battery Over Current, Over Voltage, Over Temperature and Short Circuit Protections

Boost Auto Startup with Load Detection


Part Name(s) : MAX1612 MAX1612EEE MAX1613 MAX1613EEE MaximIC
Maxim Integrated
Description : Bridge-Battery Backup Controllers for Notebooks View

General Description
The MAX1612/MAX1613 manage the bridge Battery (sometimes called a hot-swap or auxiliary Battery) in portable systems such as notebook computers. They feature a step-up DC-DC converter that boosts 2-cell or 3-cell bridge-Battery voltages up to the same level as the main Battery. This voltage boosting technique reduces the number of cells otherwise required for a 6-cell plus diode-OR bridging scheme, reducing overall size and cost. Another key feature is a trickle-charge timer that minimizes Battery damage caused by constant charging and eliminates trickle-charge current drain on the main Battery once the bridge Battery is topped off.

Features
♦ Reduce Battery Size and Cost
♦ Four Key Circuit Blocks
    Adjustable Boost DC-DC Converter
    NiCd/NiMH Trickle Charger
    Always-On Linear Regulator (+28V Input)
    Low-Battery Detector
♦ Low 18µA Quiescent Current
♦ Selectable Charging/Discharging Rates
♦ Preset Linear-Regulator Voltage
    5V (MAX1612)
    3.3V (MAX1613)
♦ 4V to 28V Main Input Voltage Range
♦ Internal Switch Boost Converter
♦ Small 16-Pin QSOP Package

Applications
    Notebook Computers
    Portable Equipment
    Backup Battery Applications

Part Name(s) : ISL12008 ISL12008IB8Z ISL12008IB8Z-T Intersil
Intersil
Description : I2C Real Time Clock with Battery Backup View

Low Power RTC with Battery ReSeal™ Function

The ISL12008 devICe is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The devICe additionally provides power-fail indICator, software alarm and intelligent Battery Backup.

Features
• Pin Compatible to ST M41T00S and Maxim DS1340
• Functionality Equivalent to ST M41T00S and Maxim DS1340
• Real Time Clock/Calendar
    - Tracks Time in Hours, Minutes, Seconds and Sub-seconds
    - Day of the Week, Day, Month, and Year
• 512Hz Frequency Outputs for On-Chip Crystal Compensation
• Software Alarm
    - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
• AutomatIC Low-Drop Battery Switch for Longest Backup Life
• Power Failure Detection
Battery ReSeal™ for Long Shelf Life
• I2C Bus™
    - 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Small Package Option
    - 8 Ld SOIC
• Pb-Free (RoHS Compliant)

ApplICations
• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set-Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• OffICe Automation (Copiers, Fax)
• Home Appliances
• Computer Products
• Other Industrial/MedICal/Automotive

Part Name(s) : ISL12008 ISL12008IB8Z ISL12008IB8Z-T Renesas
Renesas Electronics
Description : I2C Real Time Clock with Battery Backup View

Low Power RTC with Battery ReSeal™ Function

The ISL12008 devICe is a low power real time clock/calendar that is pin compatible and functionally equivalent to the ST M41T00S and Maxim DS1340 with timing and crystal compensation. The devICe additionally provides power-fail indICator, software alarm and intelligent Battery Backup.

Features
• Pin Compatible to ST M41T00S and Maxim DS1340
• Functionality Equivalent to ST M41T00S and Maxim DS1340
• Real Time Clock/Calendar
    - Tracks Time in Hours, Minutes, Seconds and Sub-seconds
    - Day of the Week, Day, Month, and Year
• 512Hz Frequency Outputs for On-Chip Crystal Compensation
• Software Alarm
    - Settable to the Second, Minute, Hour, Day of the Week, Day, or Month
• AutomatIC Low-Drop Battery Switch for Longest Backup Life
• Power Failure Detection
Battery ReSeal™ for Long Shelf Life
• I2C Bus™
    - 400kHz Data Transfer Rate
• 800nA Battery Supply Current
• Small Package Option
    - 8 Ld SOIC
• Pb-Free (RoHS Compliant)

ApplICations
• Utility Meters
• HVAC Equipment
• Audio/Video Components
• Set-Top Box/Television
• Modems
• Network Routers, Hubs, Switches, Bridges
• Cellular Infrastructure Equipment
• Fixed Broadband Wireless Equipment
• Pagers/PDA
• POS Equipment
• Test Meters/Fixtures
• OffICe Automation (Copiers, Fax)
• Home Appliances
• Computer Products
• Other Industrial/MedICal/Automotive

12345678910 Next



All Rights Reserved© datasheetq.com 2015 - 2020  [ Privacy Policy ] [ Request Datasheet ] [ Contact Us ]