English

All Products

View All >>
  • LP3947ISD-09

LP3947ISD-09

Constant - Programmable LP3947 14-WFDFN Exposed Pad Tape & Reel (TR) 5V 750mA 14 Terminals 14 Pin


  • Manufacturer: Texas Instruments
  • Origchip NO: 815-LP3947ISD-09
  • Package: 14-WFDFN Exposed Pad
  • Datasheet: -
  • Stock: 293
  • Description: Constant - Programmable LP3947 14-WFDFN Exposed Pad Tape & Reel (TR) 5V 750mA 14 Terminals 14 Pin (Kg)

Purchase & Inquiry

Transport

Purchase

You may place an order without registering to Utmel.
We strongly suggest you sign in before purchasing as you can track your order in real time.

Means of Payment

For your convenience, we accept multiple payment methods in USD, including PayPal, Credit Card, and wire transfer.

RFQ (Request for Quotations)

It is recommended to request for quotations to get the latest prices and inventories about the part.
Our sales will reply to your request by email within 24 hours.

IMPORTANT NOTICE

1. You'll receive an order information email in your inbox. (Please remember to check the spam folder if you didn't hear from us).
2. Since inventories and prices may fluctuate to some extent, the sales manager is going to reconfirm the order and let you know if there are any updates.

Shipping Cost

Shipping starts at $40, but some countries will exceed $40. For example (South Africa, Brazil, India, Pakistan, Israel, etc.)
The basic freight (for package ≤0.5kg or corresponding volume) depends on the time zone and country.

Shipping Method

Currently, our products are shipped through DHL, FedEx, SF, and UPS.

Delivery Time

Once the goods are shipped, estimated delivery time depends on the shipping methods you chose:

FedEx International, 5-7 business days.

The following are some common countries' logistic time.
transport

Details

Tags

Parameters
Number of Cells 1
Voltage - Supply (Max) 6V
Current - Charging Constant - Programmable
Battery Pack Voltage 4.1V
Height 800μm
Length 4mm
Width 4mm
Radiation Hardening No
REACH SVHC No SVHC
RoHS Status Non-RoHS Compliant
Lead Free Contains Lead
Mount Surface Mount
Mounting Type Surface Mount
Package / Case 14-WFDFN Exposed Pad
Number of Pins 14
Operating Temperature -40°C~85°C TA
Packaging Tape & Reel (TR)
JESD-609 Code e0
Pbfree Code no
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 14
ECCN Code EAR99
Terminal Finish Tin/Lead (Sn/Pb)
Subcategory Power Management Circuits
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 5V
Terminal Pitch 0.5mm
Base Part Number LP3947
Pin Count 14
Output Voltage 4.2V
Max Output Current 750mA
Power Supplies 5V
Number of Channels 1
Interface I2C, USB
Max Supply Voltage 6V
Min Supply Voltage 4.3V
Analog IC - Other Type POWER SUPPLY SUPPORT CIRCUIT
Output Current 750mA
Adjustable Threshold YES
Fault Protection Over Voltage
Battery Chemistry Lithium-Ion

LP3947ISD-09 Overview


There is a package for Tape & Reel (TR) in which it can be found.There is a 14-WFDFN Exposed Pad package that comes with this item.There is a type of mounting for this device: Surface Mount.A temperature setting of -40°C~85°C TA would be the best thing to do.The functionality of this device is provided by an analog IC called POWER SUPPLY SUPPORT CIRCUIT.To charge the device, a current of Constant - Programmable is required.If you use the base part number LP3947, you can look for related parts.The number of terminations found in it is 14 as a whole.In the battery pack, the voltage is 4.1V.Due to the 14 pins on it, it is a very simple circuit.In order for the product to be functional, it requires that you connect the 14 pins according to the instructions.There are a total of 1 channels available for your use.The maximum supply voltage of the device is 6V.It should be possible to run it from a 5V battery it should be able to run at all times.If the supply voltage exceeds 6V, the device will not function properly.There is a possibility of achieving optimal efficiency when the output voltage of the device is 4.2V.The operation is carried out with an output current of 750mA.Devices in this category are classified as Power Management Circuits.It can function at as low a supply voltage as possible, such as 4.3V.In terms of the mounting, it is mounted in the way indicated by Surface Mount as far as the mounting is concerned.The part's power supply is set to a value of 5V.In the course of operation, the maximum output current is reduced to 750mA.

LP3947ISD-09 Features


Battery pack voltage of 4.1V
1 channels
Power Management Circuits subcategory
14-WFDFN Exposed Pad package

LP3947ISD-09 Applications


There are a lot of Texas Instruments LP3947ISD-09 Battery Chargers ICs applications.

  • Golf carts
  • Painting boat
  • Crosswalk marker lights
  • Automotive/electrical vehicle
  • Mobile lighting
  • Cellphones
  • Electricity bank
  • TV sticks
  • Maintenance shops
  • Automotive electronics