SNVSBI5A July   2019  – September 2019 TPS3870-Q1

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
    1.     Device Images
      1.      Integrated Overvoltage Detection
      2.      Typical Overvoltage Accuracy Distribution
  4. Revision History
  5. Device Comparison Table
  6. Pin Configuration and Functions
    1.     Pin Functions
  7. Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Typical Characteristics
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 VDD
      2. 8.3.2 SENSE
      3. 8.3.3 RESET
      4. 8.3.4 Capacitor Time (CT)
      5. 8.3.5 Manual Reset (MR)
    4. 8.4 Device Functional Modes
      1. 8.4.1 Normal Operation (VDD > VDD(MIN))
      2. 8.4.2 Undervoltage Lockout (VPOR < VDD < UVLO)
      3. 8.4.3 Power-On Reset (VDD < VPOR)
  9. Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Voltage Threshold Accuracy
      2. 9.1.2 CT Reset Time Delay
        1. 9.1.2.1 Factory-Programmed Reset Delay Timing
        2. 9.1.2.2 Programmable Reset Delay-Timing
      3. 9.1.3 RESET Latch Mode
      4. 9.1.4 Adjustable Voltage Thresholds
      5. 9.1.5 Immunity to SENSE Pin Voltage Transients
        1. 9.1.5.1 Hysteresis
    2. 9.2 Typical Application
      1. 9.2.1 Design 1: RESET Latch Mode
        1. 9.2.1.1 Design Requirements
        2. 9.2.1.2 Detailed Design Procedure
        3. 9.2.1.3 Application Curves
  10. 10Power Supply Recommendations
    1. 10.1 Power Supply Guidelines
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Device Nomenclature
    2. 12.2 Documentation Support
      1. 12.2.1 Evaluation Module
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Device Nomenclature

Table 6 shows how to decode the function of the device based on its part number.

Table 6. Device Naming Convention

DESCRIPTION NOMENCLATURE VALUE
TPS3870 TPS3870
Time delay options: Every part has two fixed time delay and adjustable delay option via external capacitor Part number OV Only J CT pin open = 10 ms, CT pin tied to VDD = 200 ms
CT programable with external capacitor
K CT pin open = 1 ms, CT pin tied to VDD = 20 ms
CT programable with external capacitor
L CT pin open = 5 ms, CT pin tied to VDD = 100 ms
CT programable with external capacitor
M CT pin open = 50 µs, CT pin tied to VDD = 50 µs
CT not programable
Tolerance options: Trigger or threshold voltage as a percentage of the monitored threshold voltage 3 Overvoltage threshold from nominal value = OV : 3%
4 Overvoltage threshold from nominal value = OV : 4%
5 Overvoltage threshold from nominal value = OV : 5%
6 Overvoltage threshold from nominal value = OV : 6%
7 Overvoltage threshold from nominal value = OV : 7%
Nominal monitor threshold voltage option 050 0.50 V
055 0.55 V
060 0.60 V
065 0.65 V
070 0.70 V
075 0.75 V
080 0.80 V
085 0.85 V
090 0.90 V
095 0.95 V
100 1.00 V
105 1.05 V
110 1.10 V
115 1.15 V
120 1.20 V
125 1.25 V
130 1.30 V
150 1.50 V
180 1.80 V
250 2.50 V
280 2.80 V
290 2.90 V
330 3.30 V
500 5.00 V
Package DSE WSON - 6 pin (1.5 mm × 1.5 mm)
Reel R Large reel
Automotive version Q1 Q100 AEC