|
BQ34Z651_15 Datasheet, PDF (17/29 Pages) Texas Instruments – SBS 1.1-Compliant Gas Gauge | |||
|
◁ |
bq34z651
www.ti.com
SLUSAL7 â AUGUST 2011
Lifetime Data Logging Features
The bq34z651 offers lifetime data logging, where important measurements are stored for warranty and analysis
purposes. The data monitored include:
⢠Lifetime maximum temperature
⢠Lifetime maximum temperature count
⢠Lifetime maximum temperature duration
⢠Lifetime minimum temperature
⢠Lifetime maximum battery cell voltage
⢠Lifetime maximum battery cell voltage count
⢠Lifetime maximum battery cell voltage duration
⢠Lifetime minimum battery cell voltage
⢠Lifetime maximum battery pack voltage
⢠Lifetime minimum battery pack voltage
⢠Lifetime maximum charge current
⢠Lifetime maximum discharge current
⢠Lifetime maximum charge power
⢠Lifetime maximum discharge power
⢠Lifetime maximum average discharge current
⢠Lifetime maximum average discharge power
⢠Lifetime average temperature
Authentication
The bq34z651 supports authentication by the host using SHA-1.
Power Modes
The bq34z651 supports three different power modes to reduce power consumption:
⢠In Normal Mode, the bq34z651 performs measurements, calculations, protection decisions and data updates
in 1-second intervals. Between these intervals, the bq34z651 is in a reduced power stage.
⢠In Sleep Mode, the bq34z651 performs measurements, calculations, protection decisions, and data updates
in adjustable time intervals. Between these intervals, the bq34z651 is in a reduced power stage. The
bq34z651 has a wake function that enables exit from Sleep mode when current flow or failure is detected.
⢠In Shutdown Mode, the bq34z651 is completely disabled.
Copyright © 2011, Texas Instruments Incorporated
17
|
▷ |