ZHCSI58C
October 2009 – May 2018
TPS65720
,
TPS65721
PRODUCTION DATA.
1
特性
2
应用
3
说明
典型应用原理图
4
修订历史记录
5
Device Options
6
Pin Configuration and Functions
Pin Functions—DSBGA (TPS65720)
Pin Functions—DSBGA (TPS657201, TPS657202)
Pin Functions—WQFN (TPS65721)
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
Dissipation Ratings
7.7
Timing Requirements
7.8
Switching Characteristics
7.9
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagrams
8.3
Feature Description
8.3.1
Battery Charger and Power Path
8.3.2
Power-Path Management
8.3.3
Battery Charging
8.3.3.1
I-PRECHARGE
8.3.3.2
ITERM
8.3.3.3
Battery Detection and Recharge
8.3.3.4
Charge Termination On/Off
8.3.3.5
Timers
8.3.3.6
Dynamic Timer Function
8.3.3.7
Charger Fault
8.3.4
Thermal Regulation and Thermal Shutdown
8.3.5
Battery Pack Temperature Monitoring
8.3.6
DCDC1 Converter
8.3.7
Power Save Mode
8.3.7.1
Dynamic Voltage Positioning
8.3.7.2
Soft Start
8.3.7.3
100% Duty Cycle Low Dropout Operation
8.3.7.4
Undervoltage Lockout
8.3.8
Short-Circuit Protection
8.3.9
Thermal Shutdown
8.3.10
LDO1
8.3.10.1
Default Voltage Setting for LDOs and DCDC1
8.3.10.2
Internal Analog Multiplexer (BAT, TS, TS_OUT); TPS657201, TPS657202 Only
8.3.10.3
Internal Battery Voltage Comparator
8.3.10.4
GPIOs, LED Drivers
8.3.10.5
RESET Output
8.3.10.6
Threshold Input (TPS65721 Only)
8.3.10.6.1
ENABLE for DCDC1 and LDO1
8.3.10.6.2
PB_IN Input
8.3.10.6.3
HOLD_DCDC1 Input
8.3.10.6.4
HOLD_LDO1 Input
8.3.10.6.5
INT Output
8.4
Device Functional Modes
8.4.1
Power Down
8.4.2
Sleep Mode
8.4.3
Standby Mode
8.4.4
Power-On Reset Mode
8.4.5
Idle Mode
8.5
Programming
8.5.1
Serial Interface
8.6
Register Maps
8.6.1
CHGSTATUS Register Address: 01h (read only)
8.6.2
CHGCONFIG0 Register Address: 02h (read/write)
8.6.3
CHGCONFIG1 Register Address: 03h (read/write)
8.6.4
CHGCONFIG2 Register Address: 04h (read/write)
8.6.5
CHGCONFIG3 Register Address: 05h (read/write)
8.6.6
CHGSTATE Register Address: 06h (read only)
8.6.7
DEFDCDC1 Register Address: 07h (read/write)
8.6.8
LDO_CTRL Register Address: 08h (read/write)
8.6.9
CONTROL0 Register Address: 09h (read/write)
8.6.10
CONTROL1 Register Address: 0Ah (read/write)
8.6.11
GPIO_SSC Register Address: 0Bh (read/write)
8.6.12
GPIODIR Register Address: 0Ch (read/write)
8.6.13
IRMASK0 Register Address: 0Dh (read/write)
8.6.14
IRMASK1 Register Address: 0Eh (read/write)
8.6.15
IRMASK2 Register Address: 0Fh (read/write)
8.6.16
IR0 Register Address: 10h (read only)
8.6.17
IR1 Register Address: 11h (read)
8.6.18
IR2 Register Address: 12h (read)
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Output Voltage Setting
9.2.2.1.1
DCDC1
9.2.2.1.2
LDO1
9.2.2.2
Output Filter Design (Inductor and Output Capacitor)
9.2.2.2.1
Inductor Selection
9.2.2.2.2
Output Capacitor Selection
9.2.2.2.3
Input Capacitor Selection
9.2.2.3
Charger/Power Path
9.2.2.3.1
Charger Stability
9.2.2.3.2
Setting the Charge Current
9.2.2.3.3
Dynamic Power Path Management (DPPM)
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
器件和文档支持
12.1
器件支持
12.1.1
第三方产品免责声明
12.2
文档支持
12.2.1
相关文档
12.3
相关链接
12.4
接收文档更新通知
12.5
社区资源
12.6
商标
12.7
静电放电警告
12.8
术语表
13
机械、封装和可订购信息
封装选项
机械数据 (封装 | 引脚)
RSN|32
MPQF194B
散热焊盘机械数据 (封装 | 引脚)
RSN|32
QFND189E
订购信息
zhcsi58c_oa
zhcsi58c_pm
12.2.1
相关文档
请参阅如下相关文档:
德州仪器 (TI),
降压转换器功率级的基本计算
应用报告
德州仪器 (TI),
《动态电源路径管理和动态电源管理》
应用报告
德州仪器 (TI),
《优化比较器输入端的电阻分压器》
应用报告
德州仪器 (TI),
《TPS65720EVM
用户指南》
德州仪器 (TI),
《适用于可穿戴设备和健身设备的 TPS65720 电源管理 IC (PMIC)》
德州仪器 (TI),
《TPS65721EVM
用户指南》
德州仪器 (TI),
《了解 SW 节点的绝对最大额定值》
应用报告