SLVSDG8B
April 2016 – June 2017
TPS25740
,
TPS25740A
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
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
Timing Requirements
7.7
Switching Characteristics
7.8
Typical Characteristics
8
Detailed Description
8.1
Overview
8.1.1
VBUS Capacitance
8.1.2
USB Data Communications
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
USB Type-C CC Logic (CC1, CC2)
8.3.2
USB PD BMC Transmission (CC1, CC2, VTX)
8.3.3
USB PD BMC Reception (CC1, CC2)
8.3.4
Discharging (DSCG, VPWR)
8.3.4.1
Discharging after a Fault (VPWR)
8.3.5
Configuring Voltage Capabilities (HIPWR, EN9V, EN12V)
8.3.6
Configuring Power Capabilities (PSEL, PCTRL, HIPWR)
8.3.7
Gate Driver (GDNG, GDNS)
8.3.8
Fault Monitoring and Protection
8.3.8.1
Over/Under Voltage (VBUS)
8.3.8.2
Over-Current Protection (ISNS, VBUS)
8.3.8.3
System Fault Input (GD, VPWR)
8.3.9
Voltage Control (CTL1, CTL2)
8.3.10
Sink Attachment Indicator (UFP, DVDD)
8.3.11
Power Supplies (VAUX, VDD, VPWR, DVDD)
8.3.12
Grounds (AGND, GND)
8.3.13
Output Power Supply (DVDD)
8.4
Device Functional Modes
8.4.1
Sleep Mode
8.4.2
Checking VBUS at Start Up
9
Application and Implementation
9.1
Application Information
9.1.1
System-Level ESD Protection
9.1.2
Use of GD Internal Clamp
9.1.3
Resistor Divider on GD for Programmable Start Up
9.1.4
Selection of the CTL1 and CTL2 Resistors (R(FBL1) and R(FBL2))
9.1.5
Voltage Transition Requirements
9.1.6
VBUS Slew Control using GDNG C(SLEW)
9.1.7
Tuning OCP Using RF and CF
9.2
Typical Application , A/C Power Source (Wall Adapter)
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.2.1
Power Pin Bypass Capacitors
9.2.2.2
Non-Configurable Components
9.2.2.3
Configurable Components
9.2.3
Application Curves
9.2.4
Typical Application, D/C Power Source
9.2.4.1
Design Requirements
9.2.4.2
Detailed Design Procedure
9.2.4.2.1
Power Pin Bypass Capacitors
9.2.4.2.2
Non-Configurable Components
9.2.4.2.3
Configurable Components
9.2.4.3
Application Curves
9.3
System Examples
9.3.1
D/C Power Source (Power Hub)
9.3.2
A/C Power Source (Wall Adapter)
9.3.3
Dual-Port Power Managed A/C Power Source (Wall Adaptor)
9.3.4
D/C Power Source (Power Hub with 3.3 V Rail)
10
Power Supply Recommendations
10.1
VDD
10.2
VPWR
11
Layout
11.1
Port Current Kelvin Sensing
11.2
Layout Guidelines
11.2.1
Power Pin Bypass Capacitors
11.2.2
Supporting Components
11.3
Layout Example
12
Device and Documentation Support
12.1
Documentation Support
12.2
Related Links
12.3
Receiving Notification of Documentation Updates
12.4
Community Resources
12.5
Trademarks
12.6
Electrostatic Discharge Caution
12.7
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RGE|24
MPQF124G
Thermal pad, mechanical data (Package|Pins)
RGE|24
QFND136Y
Orderable Information
slvsdg8b_oa
slvsdg8b_pm
5
Device Comparison Table
DEVICE NUMBER
VOLTAGE OPTION
TPS25740
Offers 5 V, 12 V, and 20 V
TPS25740A
Offers 5 V, 9 V, and 15 V