ZHCSN56C
January 2021 – December 2021
TPS61094
PRODUCTION DATA
1
特性
2
应用
3
说明
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Typical Characteristics
7
Detailed Description
7.1
Overview
7.1.1
The Configuration of VCHG Pin, ICHG Pin, and OSEL Pin
7.1.1.1
OSEL: Output Voltage Selection
7.1.1.2
VCHG: Charging Termination Voltage Selection
7.1.1.3
ICHG: Charging Output Current Selection
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Undervoltage Lockout
7.3.2
Enable and Soft Start
7.3.3
Active Pulldown for the EN and MODE Pins
7.3.4
Current Limit Operation
7.3.5
Output Short-to-Ground Protection
7.3.6
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Operation Mode Setting
7.4.2
Forced Bypass Mode Operation
7.4.3
True Shutdown Mode Operation
7.4.4
Forced Buck Mode Operation
7.4.5
Auto Buck or Boost Mode Operation
7.4.5.1
Three States (Boost_on, Buck_on, and Supplement) Transition
7.4.5.2
Boost, Bypass, and Pass-Through
7.4.5.3
PWM, PFM, and Snooze Modes in Boost Operation
7.4.5.3.1
PWM Mode
7.4.5.3.2
PFM Mode
7.4.5.3.3
Snooze Mode
8
Application and Implementation
8.1
Application Information
8.2
Typical Application – 3.6-V Output Boost Converter with Bypass
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Programming the Output Voltage
8.2.2.2
Maximum Output Current
8.2.2.3
Inductor Selection
8.2.2.4
Output Capacitor Selection
8.2.2.5
Input Capacitor Selection
8.2.3
Application Curves
8.2.4
Typical Application – 3.3-V Output Boost Converter with Automatic Buck or Boost Function
8.2.4.1
Design Requirements
8.2.4.2
Detailed Design Procedure
8.2.4.2.1
Programming the Voltage and Current
8.2.4.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Device Support
11.1.1
第三方产品免责声明
11.2
Documentation Support
11.2.1
Related Documentation
11.3
接收文档更新通知
11.4
支持资源
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
术语表
12
Mechanical, Packaging, and Orderable Information
封装选项
机械数据 (封装 | 引脚)
DSS|12
MPDS336C
散热焊盘机械数据 (封装 | 引脚)
DSS|12
QFND398B
订购信息
zhcsn56c_oa
zhcsn56c_pm
1
特性
宽电压范围和电流范围
0.7V 至 5.5V 输入电压范围
启动时的最小输入电压为 1.8V
可编程升压输出电压,设置范围为 2.7V 至 5.4V
可编程降压充电终止电压,设置范围为 1.7V 至 5.4V
可编程降压充电输出电流,设置范围为 2.5mA 至 600mA
超低静态电流
在升压模式或降压充电模式下为 60nA
在强制旁路模式下为 4nA
较高的效率和功率容量
典型 2.0A 的电感器谷值电流限制
两个 60mΩ (LS)/140mΩ (HS) MOSFET
100mΩ 旁路开关电阻
1MHz 开关频率
轻负载下采用自动贪睡模式运行
V
IN
= 3V、V
OUT
= 3.6V 且 I
OUT
= 10μA 时效率高达 92.3%
V
IN
= 3V、V
OUT
= 3.6V 且 I
OUT
= 100mA 时效率高达 96.3%
由 MODE 和 EN 引脚控制的四个运行模式
丰富的保护特性
输出短路保护
热关断保护
2mm × 3mm 12 引脚 WSON 封装