bq24266

SLUSBY5F – JUNE 2014 – REVISED AUGUST 2015

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Table of Contents

1

Features .................................................................. 1

8

Applications and Implementation ...................... 26

8.1

Application Information............................................ 26

2

Applications ........................................................... 1

8.2

Typical Applications ................................................ 26

3

Description ............................................................. 1

9

Power Supply Recommendations ...................... 31

4

Revision History..................................................... 2

9.1

Requirements for SYS Output ................................ 31

5

Pin Configuration and Functions ......................... 4

9.2

Requirements for Charging ..................................... 31

6

Specifications......................................................... 6

10

Layout................................................................... 32

6.1

Absolute Maximum Ratings ..................................... 6

10.1

Layout Guidelines ................................................. 32

6.2

ESD Ratings ............................................................ 6

10.2

Layout Example .................................................... 32

6.3

Recommended Operating Conditions ....................... 6

11

Device and Documentation Support ................. 33

6.4

Thermal Information ................................................. 7

11.1

Documentation Support ....................................... 33

6.5

Electrical Characteristics........................................... 7

11.2

Related Links ........................................................ 33

6.6

Switching Characteristics ........................................ 11

11.3

Community Resources.......................................... 33

6.7

Typical Characteristics ............................................ 12

11.4

Trademarks ........................................................... 33

7

Detailed Description ............................................ 13

11.5

Electrostatic Discharge Caution ............................ 33

7.1

Overview ................................................................. 13

11.6

Glossary ................................................................ 33

7.2

Functional Block Diagram ....................................... 14

12

Mechanical, Packaging, and Orderable

7.3

Feature Description................................................. 16

Information ........................................................... 33

7.4

Device Functional Modes........................................ 16

4 Revision History

Changes from Revision E (December 2014) to Revision F

Page

•

Deleted devices bq24265 and bq24267 ................................................................................................................................ 1

•

Changed bq2426x To: bq24266 throughout the datasheet ................................................................................................... 1

•

Deleted Features: Host-controlled JEITA Compatible NTC Monitoring Input (bq24265)....................................................... 1

•

Deleted Features: Voltage-based, JEITA Compatible NTC Monitoring Input (bq24266)....................................................... 1

•

Changed text in the Description From: "The bq24265, bq24266, and bq24267 are.." To: "The bq24266 is.."...................... 1

•

Changed 1µF to 2.2µF on the DRV pin of the Application Schematic ................................................................................... 1

•

Deleted the Device Comparison Table................................................................................................................................... 4

•

Deleted the bq24265 pinout image......................................................................................................................................... 4

•

Changed the DRV pin description From: "1

μF of ceramic capacitance" To: "a 2.2uF, 10V, X5R or better capacitor"

in the Pin Functions table ....................................................................................................................................................... 5

•

Set Pin Voltage for DRV on an individual line and change the MAX value to 5.5 V in the Absolute Maximum

Ratings

(1) ............................................................................................................................................................................... 6

•

Moved the Stroage temperature to Absolute Maximum Ratings

(1) ....................................................................................... 6

•

Changed the Handling Ratings table To: ESD Ratings table................................................................................................. 6

•

•

•

Deleted text from the Overview section: "The bq24265 allows a host to monitor a NTC thermistor and adjust the

charge current and voltage using the CE1 and CE2 pins." and "The bq24267 features a TS input with HOT/COLD

support only." ........................................................................................................................................................................ 13

•

Deleted text from the Charge Profile section: "using CE1 and CE2 (bq24265) or CE (bq24266/7)." ................................. 17

•

Deleted text from the Safety Timer in Charge Mode section: " (bq24266/7) and when CE1 and CE2 (bq24265) are

configured according to Table 2. .......................................................................................................................................... 21

•

Changed the External NTC Monitoring (CE1, CE2, and TS) section To: External NTC Monitoring (TS) ........................... 21

•

Deleted Table "CE1, CE2 Configurations" ........................................................................................................................... 21

•

Deleted text from the Application Information section: "but can be used to evaluate the bq24265 or bq24267 as well.

To configure the board to use the bq24265, the /CE1 and /CE2 pins are used to comply with JEITA per Table 2. .......... 26

•

Deleted the bq24265 Typical Application No External Discharge FET image .................................................................... 26

2

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