SLVSCE8C
January 2015 – September 2018
TPS7B7701-Q1
,
TPS7B7702-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Application Diagram
4
Revision History
5
Pin Configuration and Functions
Pin 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
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Fault Detection and Protection
7.3.2
Short-Circuit and Overcurrent Protection
7.3.3
Short-to-Battery and Reverse Current Detection
7.3.4
Thermal Shutdown
7.3.5
Integrated Reverse-Polarity Protection
7.3.6
Integrated Inductive Clamp
7.3.7
Undervoltage Lockout
7.3.8
Enable (EN, EN1, and EN2)
7.3.9
Internal Voltage Regulator (VCC)
7.3.10
Current Sense Multiplexing
7.3.11
Adjustable Output Voltage (FB, FB1, and FB2)
7.4
Device Functional Modes
7.4.1
Operation With IN < 4.5 V
7.4.2
Operation With EN Control
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Input Capacitor
8.2.2.2
Output Capacitor
8.2.2.3
Current Sense Resistor Selection
8.2.2.4
Current-Limit Resistor Selection
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.1.1
Related Documentation
11.2
Related Links
11.3
Receiving Notification of Documentation Updates
11.4
Community Resources
11.5
Trademarks
11.6
Electrostatic Discharge Caution
11.7
Glossary
12
Mechanical, Packaging, and Orderable Information
6.3
Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
V
I
Unregulated input
4.5
40
V
EN, EN1, and EN2
0
40
V
Low-voltage pins
SENSE, SENSE1, SENSE2,
SENSE_EN
, SEN_SEL ,
ERR
, FB, FB1, FB2, LIM, LIM1, LIM2, and V
CC
0
5.3
V
OUT1, OUT2, and OUT
Normal-mode operation
1.5
20
V
Switched-mode operation
1.5
35
C
O
Output capacitor stability range
2.2
100
µF
C
O(ESR)
Output capacitor ESR stability range
0.001
5
Ω
T
J
Junction temperature
–40
150
°C
T
A
Ambient temperature
–40
125
°C