SNVSBZ2E March   2021  – December 2023 TPS3704

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Nomenclature
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Timing Diagrams
    8. 6.8 Typical Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 VDD
      2. 7.3.2 SENSEx Input
        1. 7.3.2.1 Immunity to SENSEx Pins Voltage Transients
          1. 7.3.2.1.1 SENSEx Hysteresis
      3. 7.3.3 RESETx/RESETx
    4. 7.4 Device Functional Modes
      1. 7.4.1 Normal Operation (VDD > VDD(MIN))
      2. 7.4.2 Undervoltage Lockout (VPOR < VDD < UVLO)
      3. 7.4.3 Power-On Reset (VDD < VPOR)
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Voltage Threshold Accuracy
      2. 8.1.2 Adjustable Voltage Thresholds
    2. 8.2 Typical Application
      1. 8.2.1 Design 1: Multi-Rail Window Monitoring for Microcontroller Power Rails
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
      2. 8.2.2 Design 2: Manual Self-Test Option for Enhanced Functional Safety Use Cases
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Supply Guidelines
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Device Nomenclature
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

9.1 Device Nomenclature

Figure 4-1 in Section 4 and Table 9-1 shows how to decode the function of the device based on its part number shown in Table 9-3.

Table 9-1 Device Naming Convention
DESCRIPTIONNOMENCLATUREVALUE
Generic Part numberTPS3704xTPS3704x
Channel Option1One-channel option
2Dual-channel option
3Triple-channel option
4Quad-channel option
Detection OptionsAx, Bx, Cx,...Please refer to Table 9-3
Variant code (Output Topology)OOpen-Drain, Active-Low
LPush-Pull, Active-Low
HPush-Pull, Active-High
Reset Time Delay OptionA20 μs reset time delay
B1 ms reset time delay
C2 ms reset time delay
D3 ms reset time delay
E5 ms reset time delay
F10 ms reset time delay
G15 ms reset time delay
H20 ms reset time delay
I25 ms reset time delay
J35 ms reset time delay
K40 ms reset time delay
L50 ms reset time delay
M70 ms reset time delay
N100 ms reset time delay
O140 ms reset time delay
P150 ms reset time delay
R200 ms reset time delay
S280 ms reset time delay
T400 ms reset time delay
U560 ms reset time delay
V800 ms reset time delay
W1120 ms reset time delay
X1200 ms reset time delay
PackageDDFSOT-23 8-pin (1.6 mm × 2.9 mm)
ReelRLarge Reel
Table 9-2 Device Threshold Table
ORDERABLE PART NAME VARIANT(3) NUM OF CHAN. RESET TIME SENSE1(1)(3) SENSE2(1)(3) SENSE3(1)(3) SENSE4(1)(3)
TPS37042BJOFDDFRQ1

ADJ

2

10ms

0.8V (±4%)

 0.8V (±4%)

-

-

TPS37042A3OFDDFRQ1

Fixed

2

10ms

3.3V (±5%)

 1.2V (±5%)

-

-

TPS37042ZJOFDDFRQ1

Fixed

2

10ms

1.95V (±4%)

3.8V (±6%)

-

-
TPS37043DJOFDDFR ADJ/Fixed 3 10 ms

3.3V (-11%)

1.2V (-11%)

 0.8V (-8%) -

TPS37043A4OFDDFRQ1

Fixed

3

10ms

 2.8V (±5%) 1.8V (±5%) 1.2V (±5%)

-

TPS37043A8OFDDFRQ1

Fixed

3

10ms

 3.3V (±5%) 1.8V (±5%) 1.0V (±5%)

-

TPS37043CPOFDDFRQ1

 ADJ/Fixed

3

10ms

3.3V (±4%)

0.75V (±4%)

0.8V (±3%)

-

TPS37043ZJOFDDFRQ1

Fixed

3

10ms

0.95V (±4%)

1.35V (±4%)

1.8V (±4%)

-

TPS37043LJOFDDFRQ1

 ADJ

3

10ms

0.4V (±5%)

0.4V (±5%)

0.8V (±5%)

-

TPS37043CJOFDDFRQ1

ADJ

3

10ms

0.8V (±6%)

0.8V (±6%)

0.8V (±6%)

-

TPS37043MJOFDDFRQ1

ADJ

3

10ms

0.4V (±7%)

0.4V (±7%)

0.8V (±7%)

-

TPS37043A5OFDDFRQ1

Fixed

3

10ms

3.3V (±4%)

1.8V (±4%)

1.2V (±4%)

-

TPS37043BJOFDDFRQ1

ADJ

3

10ms

 0.8V (±4%) 0.8V (±4%) 0.8V (±4%)

-
TPS37044BJOFDDFR ADJ 4 10 ms 0.8 V (±4%) 0.8 V (±4%) 0.8 V (±4%) 0.8 V (±4%)
TPS37044LJOJDDFR ADJ 4 35ms

0.4V (±5%)

0.4V (±5%)

0.8V (±5%)

0.8V (±5%)

TPS37044BJOFDDFRQ1

ADJ

4

10ms

 0.8V (±4%) 0.8V (±4%) 0.8V (±4%) 0.8V (±4%)

TPS37044CJOFDDFRQ1

ADJ

4

10ms

0.8V (±6%)

0.8V (±6%)

0.8V (±6%)

0.8V (±6%)

TPS37044MJOFDDFRQ1

ADJ

4

10ms

0.4V (±7%)

0.4V (±7%)

0.8V (±7%)

0.8V (±7%)

TPS37044A4OGDDFRQ1

Fixed

4

15ms

 3.3V (±8%) 1.8V (±4%) 1.15V (±6%) 1.15V (±6%)
(1) Listed percentage denotes window tolerance, see Figure 6-1 for more information
(3) VIT threshold of 0.8V and 0.4V signifies an adjustable channel
(3) ADJ denotes an adjustable voltage threshold set by an external resistor divider, see Section 8.1.2 for more information