Product Summary

The BQ24745 is a SMBus-controlled level 2 multi-chemistry battery charger with input current detect comparator. Its applications include Notebook and Ultra-Mobile Computers, Portable Data-Capture Terminals, Portable Printers, Medical Diagnostics Equipment, Battery Bay Chargers, Battery Back-up Systems.

Parametrics

BQ24745 absolute maximum ratings: (1)maximum difference voltage: -0.5 to 0.5V; (2)voltage range: -0.3 to 30V; (3)junction temperature range: -40 to 155℃; (4)storage temperature: -55 to 155℃.

Features

BQ24745 features: (1)NMOS-NMOS synchronous buck converter with 300kHz frequency and 95% efficiency; (2)30-ns minimum driver dead-time and 99.5% maximum effective duty cycle; (3)high-accuracy voltage and current regulation; (4)integration; (5)status and monitoring outputs.

Diagrams

BQ24745 block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
BQ24745EVM
BQ24745EVM

Texas Instruments

Power Management IC Development Tools BQ24745 EVAL MOD

Data Sheet

0-1: $67.01
BQ24745RHDR
BQ24745RHDR

Texas Instruments

Battery Management SMBus-Cntrld Lev 2 Multi-Chem Batt Chrg

Data Sheet

0-2405: $2.17
2405-3000: $2.15
BQ24745RHDTG4
BQ24745RHDTG4

Texas Instruments

Battery Management Sw mode charger

Data Sheet

0-167: $3.02
167-250: $2.68
250-500: $2.55
500-1000: $2.51
BQ24745RHDRG4
BQ24745RHDRG4

Texas Instruments

Battery Management Sw mode charger

Data Sheet

0-2405: $2.17
2405-3000: $2.15
BQ24745RHDT
BQ24745RHDT

Texas Instruments

Battery Management SMBus-Cntrld Lev 2 Multi-Chem Batt Chrg

Data Sheet

0-155: $3.25
155-250: $3.08
250-500: $2.92
500-1000: $2.51