TMP513

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Thermal/Power Management with Triple Remote and Local Temperature Sensor and Current Shunt Monitor

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Product details

Parameters

Local sensor accuracy (Max) (+/- C) 1 Type Digital temperature sensors Operating temperature range (C) -40 to 125 Supply voltage (Min) (V) 3 Interface type I2C Supply voltage (Max) (V) 26 Supply current (Max) (uA) 1400 Temp resolution (Max) (bits) 13 Features Alert Function, Bi-directional, I2C, Integrated Power Monitor Remote channels (#) 3 Addresses 4 Rating Catalog open-in-new Find other Digital temperature sensors

Package | Pins | Size

SOIC (D) 16 59 mm² 9.9 x 6 VQFN (RSA) 16 16 mm² 4 x 4 open-in-new Find other Digital temperature sensors

Features

  • ±1°C REMOTE DIODE SENSORS
  • ±1°C LOCAL TEMPERATURE SENSOR
  • SERIES RESISTANCE CANCELLATION
  • n-FACTOR CORRECTION
  • TEMPERATURE ALERT FUNCTION
  • AVERAGING
  • 12-BIT RESOLUTION
  • DIODE FAULT DETECTION
  • SENSES BUS VOLTAGES FROM 0 V TO +26 V
  • REPORTS CURRENT IN AMPS, VOLTAGE IN VOLTS AND POWER IN WATTS
  • HIGH ACCURACY: 1% MAXIMUM OVER TEMPERATURE
  • WATCHDOG LIMITS:
    • Upper Over-Limit
    • Lower Under-Limit
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Description

The TMP512 (dual-channel) and TMP513 (triple-channel) are system monitors that include remote sensors, a local temperature sensor, and a high-side current shunt monitor. These system monitors have the capability of measuring remote temperatures, on-chip temperatures, and system voltage/power/current consumption.

The remote temperature sensor diode-connected transistors are typically low-cost, NPN- or PNP-type transistors or diodes that are an integral part of microcontrollers, microprocessors, or FPGAs. Remote accuracy is ±1°C for multiple IC manufacturers, with no calibration needed. The two-wire serial interface accepts SMBus™ or two-wire write and read commands.

The onboard current shunt monitor is a high-side current shunt and power monitor. It monitors both the shunt drop and supply voltage. A programmable calibration value (along with the TMP512/TMP513 internal digital multiplier) enables direct readout in amps; an additional multiplication calculates power in watts. The TMP512 and TMP513 both feature two separate onboard watchdog capabilities: an over-limit comparator and a lower-limit comparator.

These devices use a single +3 V to +26 V supply, drawing a maximum of 1.4 mA of supply current, and they are specified for operation from –40°C to +125°C.

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Technical documentation

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Type Title Date
* Data sheet Temperature and Power Supply System Monitors datasheet (Rev. A) May 03, 2011
Technical article How to choose the right thermistor for your temperature sensing application Feb. 13, 2020
Technical article How to enable thermal safety for automotive infotainment and cluster systems Oct. 15, 2019
Technical article Driving industrial innovation with small-size sensors Sep. 12, 2019
Technical article How to select a temperature sensor probe Feb. 18, 2016
User guide TMP512/TMP513EVM User's Guide Apr. 14, 2010

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Software development

SUPPORT SOFTWARE Download
SBOC360B.ZIP (108545 KB)
SUPPORT SOFTWARE Download
SBOC361B.ZIP (3294 KB)

Design tools & simulation

SIMULATION MODEL Download
SBOM422.ZIP (32 KB) - IBIS Model

CAD/CAE symbols

Package Pins Download
QFN (RSA) 16 View options
SOIC (D) 16 View options

Ordering & quality

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