参数资料
型号: TWL6030B1A0CMRR
厂商: TEXAS INSTRUMENTS INC
元件分类: 电源管理
英文描述: 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PBGA187
封装: 7 X 7 MM, 0.40 MM PITCH, GREEN, FCBGA-187
文件页数: 40/97页
文件大小: 937K
代理商: TWL6030B1A0CMRR
SWCS045-010
I_lim
VBAT
VBACKUP
Voltage
selection
Vref
SWCS045B
– SEPTEMBER 2010 – REVISED JUNE 2011
Figure 6 shows a block diagram of the backup battery charger.
Figure 6. Block Diagram of the Backup Battery Charger
POWER MANAGEMENT
The power-management system can independently drive the power state of three different subsystems or a
combination of the three. The power-management state-machine manages the state of the different resources
included in the TWL6030 device depending on system activity and energy availability. It ensures the detection of
external or internal triggering events that initiate a change of system power state. It controls the transition
sequences required to change the system from current power state to a new power state by configuring the
resources according to the desired final power state. Configuration registers are accessible through application
software by the general-purpose I2C interface (CTL-I2C). Figure 7 shows a block diagram of the
power-management system.
Copyright
2010–2011, Texas Instruments Incorporated
45
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