BQ28Z560-R1 datasheet(38/60 Pages) TI1

38 / 60 page

bq28z560-R1

SLUSBD3 – APRIL 2013

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SleepWakeChg = If set to 1 will accumulate the charge as if it was active for 10 s ( instead of 20 s).

If set, the CHG FET is turned OFF on detecting primary charge termination. The CHG FET is allowed to turn

ChgFetTerm =

back ON again when RSOC < TCA Clear %.

CFET_INIT= Sets initial state of CHG FET at reset condition. 0 = CHG FET OFF, 1 = CHG FET ON.

DFET_INIT= Sets initial state of DSG FET at reset condition. 0 = DSG FET OFF, 1 = DSG FET ON.

PIN12F1

PIN12F0

State

NC or HDQ (default)

CHG FET

Bat Alert

RSVD

Battery Alert Default Configuration Register

When the system is configured as an interrupt indication, the bq28z560-R1 allows settings to be configured

based on which faults are OR'ed for indication on the Alert output Table 18. This register is programmed/read via

the methods described in ACCESSING THE DATA FLASH. The register is located at subclass = 64, offset = 4.

Table 18. Battery Alert Default Configuration Bit Definition

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

UTC_EN

UTD_EN

RSVD

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

OTC_EN

OTD_EN

BH_EN

BL_EN

RSVD

SOC1_EN

OCC_EN

OCD_EN

UTC_EN = Allows detection of Under Temperature Charging when set to 1. Default is 0.

UTD_EM = Allows detection of Under Temperature Discharging when set to 1. Default is 0.

RSVD = Reserved. Default = 0.

OTC_EN = Allows detection of Over Temperature Charging when set to 1. Default is 0.

OTD_EN = Allows detection of Over Temperature Discharging when set to 1. Default is 0.

BH_EN = Allows detection of Battery High when set to 1. Default is 0.

BL_EN = Allows detection of Battery Low when set to 1. Default is 0.

RSVD = Reserved. Default = 0.

SOC1_EN Allows detection of SOC low when set to 1. Default is 0.

OCC_EN = Allows detection of Overcurrent in CHARGE mode when set to 1. Default is 0.

OCD_EN = Allows detection of Over Current in Discharge mode when set to 1. Default is 0.

NOTE

Important: The enable flags (Bits 7 to 4) are the reset values. Changing the data flash will

not take effect until the gas gauge is re-started. Read/Write of the BatAlert_Configuration

I2C data controls the runtime alert mask.

MANUFACTURER INFORMATION BLOCKS

The bq28z560-R1 contains 64 bytes of user-programmable data flash storage: Manufacturer Info Block A and

Manufacturer Info Block B. The method for accessing these memory locations is slightly different, depending

on whether the device is in UNSEALED or SEALED modes.

When in UNSEALED mode and when and 0x00 has been written to BlockDataControl(), accessing the

Manufacturer Info Blocks is identical to accessing general data flash locations. First, a DataFlashClass()

command is used to set the subclass, then a DataFlashBlock() command sets the offset for the first data flash

address within the subclass. The BlockData() command codes contain the referenced data flash data. When

writing the data flash, a checksum is expected to be received by BlockDataChecksum(). Only when the

checksum is received and verified is the data actually written to data flash.

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