Texas Instruments bq78350-R1 User Manual

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6
SLUUBM6–March 2018
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Overview
3.1.2.2 ManufacturerAccess() 0x001A PRE-DSG FET
This command turns on/off the pre-discharge FET drive function (which uses GPIO_B) to ease testing
during manufacturing. When 0x001A is written to ManufacturerAccess() when
ManufacturingStatus()[FET_EN,PDSG_TEST] = 0, 0, then GPIO_B turns the pre-discharge function ON
and ManufacturingStatus()[PDSG_TEST] is set to 1. If 0x001A is written to ManufacturerAccess() once
again, then GPIO_B turns the pre-discharge function OFF and ManufacturingStatus()[PDSG_TEST] is
cleared to 0.
NOTE: The GPIO mode should not be used on GPIO_B while the PRE-DISCHARGE mode is used.
3.2 JEITA Charge Control
The existing bq78350-R1 device does not include JEITA charge control. This functionality is added in the
bq78350-R2 device.
NOTE: Some existing data flash addresses were modified from bq78350-R1 device to
accommodate the extra address space required for this feature.
The class name is changed from Charge Algorithm to Advanced Charge Algorithm.
3.2.1 Temperature Ranges
Temperature Ranges ≥ values are changed from:
• Charge Inhibit/Suspend Low Temp
• Precharge Temp
• Charge Inhibit High Temp
• Charge Suspend High Temp
To:
• T1 Temp
• T2 Temp
• T5 Temp
• T6 Temp
• T3 Temp
• T4 Temp
See further details on these changes below:
3.2.1.1 T1 Temp
Class Subclass Name Type Min Max Default Unit
Advanced Charging
Algorithms
Temperature
Ranges
T1 Temp I1 –128 127 0 °C
Description: T1 low temperature range lower limit
3.2.1.2 T2 Temp
Class Subclass Name Type Min Max Default Unit
Advanced Charging
Algorithms
Temperature
Ranges
T2 Temp I1 –128 127 12 °C
Description: T2 low temperature range to standard temperature range

Texas Instruments bq78350-R1 Specifications

General

Brand	Texas Instruments
Model	bq78350-R1
Category	Controller
Language	English