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BQ40Z50 データシートの表示(PDF) - Texas Instruments

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BQ40Z50 1-Series, 2-Series, 3-Series, and 4-Series Li-Ion Battery Pack Manager TI
Texas Instruments TI
BQ40Z50 Datasheet PDF : 54 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
bq40z50
Not Recommended For New Designs
SLUSBS8A – DECEMBER 2013 – REVISED DECEMBER 2014
www.ti.com
Table of Contents
1 Features .................................................................. 1
2 Applications ........................................................... 1
3 Description ............................................................. 1
4 Revision History..................................................... 2
5 Description (continued)......................................... 3
6 Pin Configuration and Functions ......................... 3
7 Specifications......................................................... 7
7.1 Absolute Maximum Ratings ...................................... 7
7.2 ESD Ratings.............................................................. 8
7.3 Recommended Operating Conditions....................... 8
7.4 Thermal Information .................................................. 8
7.5 Electrical Characteristics: Supply Current................. 9
7.6 Electrical Characteristics: Power Supply Control...... 9
7.7 Electrical Characteristics: AFE Power-On Reset ...... 9
7.8 Electrical Characteristics: AFE Watchdog Reset and
Wake Timer................................................................ 9
7.9 Electrical Characteristics: Current Wake
Comparator .............................................................. 10
7.10 Electrical Characteristics: VC1, VC2, VC3, VC4,
BAT, PACK .............................................................. 10
7.11 Electrical Characteristics: SMBD, SMBC.............. 10
7.12 Electrical Characteristics: PRES, BTP_INT, DISP
................................................................................. 10
7.13 Electrical Characteristics: LEDCNTLA, LEDCNTLB,
LEDCNTLC ............................................................. 11
7.14 Electrical Characteristics: Coulomb Counter ........ 11
7.15 Electrical Characteristics: CC Digital Filter ........... 11
7.16 Electrical Characteristics: ADC ............................. 12
7.17 Electrical Characteristics: ADC Digital Filter ......... 12
7.18 Electrical Characteristics: CHG, DSG FET Drive . 12
7.19 Electrical Characteristics: PCHG FET Drive ......... 13
7.20 Electrical Characteristics: FUSE Drive.................. 13
7.21 Electrical Characteristics: Internal Temperature
Sensor...................................................................... 13
7.22 Electrical Characteristics: TS1, TS2, TS3, TS4 .... 14
7.23 Electrical Characteristics: PTC, PTCEN ............... 14
7.24 Electrical Characteristics: Internal 1.8-V LDO ..... 14
7.25 Electrical Characteristics: High-Frequency
Oscillator .................................................................. 14
7.26 Electrical Characteristics: Low-Frequency
Oscillator .................................................................. 15
7.27 Electrical Characteristics: Voltage Reference 1.... 15
7.28 Electrical Characteristics: Voltage Reference 2.... 15
7.29 Electrical Characteristics: Instruction Flash .......... 15
7.30 Electrical Characteristics: Data Flash ................... 15
7.31 Electrical Characteristics: OCD, SCC, SCD1, SCD2
Current Protection Thresholds ................................. 16
7.32 Timing Requirements: OCD, SCC, SCD1, SCD2
Current Protection Timing ........................................ 17
7.33 Timing Requirements: SMBus .............................. 17
7.34 Timing Requirements: SMBus XL......................... 18
7.35 Typical Characteristics ......................................... 19
8 Detailed Description ............................................ 22
8.1 Overview ................................................................. 22
8.2 Functional Block Diagram ...................................... 22
8.3 Feature Description................................................. 23
8.4 Device Functional Modes........................................ 26
9 Applications and Implementation ...................... 27
9.1 Application Information .......................................... 27
9.2 Typical Applications ................................................ 28
10 Power Supply Recommendations ..................... 41
11 Layout................................................................... 42
11.1 Layout Guidelines ................................................. 42
11.2 Layout Example .................................................... 44
12 Device and Documentation Support ................. 46
12.1 Documentation Support ........................................ 46
12.2 Trademarks ........................................................... 46
12.3 Electrostatic Discharge Caution ............................ 46
12.4 Glossary ................................................................ 46
13 Mechanical, Packaging, and Orderable
Information ........................................................... 46
4 Revision History
Changes from Original (December 2013) to Revision A
Page
• Added ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation
section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and
Mechanical, Packaging, and Orderable Information section ................................................................................................. 1
• Added Feature: Supports TURBO BOOST Mode .................................................................................................................. 1
• Added Feature: Supports Battery Trip Point (BTP) ............................................................................................................... 1
• Changed a Feature bullet from "Diagnostic Lifetime Data Monitor" to "Diagnostic Lifetime Data Monitor and Black
Box Recorder" ....................................................................................................................................................................... 1
• Updated second paragraph of the Description. Added text "The bq40z50 device supports TURBO BOOST mode . . . ".... 3
2
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