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