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reference designTLV62569DBVR | Demoboard TIDA-01614

Texas Instruments TLV62569DBVR | Demoboard TIDA-01614

Multiparameter front end reference design for vital signs patient monitor

Overview

TopologyBuck Converter
Input voltage5.2 V
Output 13.3 V
IC revisionE1

Description

This reference design is for a multiparameter front end of a patient monitor that measures vital sign parameters like ECG, heart rate, SpO2 and respiration.it uses biosensing front end integrated circuits like the AFE4403 and ADS1292R devices, to measure these parameters. It also uses three TMP117 sensors to accurately measure skin temperature. This design can interface with the pace detection module to detect the pace pulse. The design also uses an isolated UART connection to transfer data to a computer. The entire front end subsytem runs on a rechargeable 3.7V li ion battery.

Features

  • Up to 95% Efficiency
  • Low RDS(ON) Switches 100 mΩ / 60 mΩ
  • 2.5-V to 5.5-V Input Voltage Range
  • Adjustable Output Voltage from 0.6 V to VIN
  • Power Save Mode for Light Load Efficiency
  • 100% Duty Cycle for Lowest Dropout
  • 35-µA Operating Quiescent Current
  • 1.5-MHz Typical Switching Frequency
  • Power Good Output
  • Over Current Protection
  • Internal Soft Startup
  • Thermal Shutdown Protection
  • Available in SOT Package
  • Pin-to-Pin Compatible with TLV62568

Typical applications

  • Set Top Box / Network Video Camera / Network Video Camera
  • General Purpose POL Supply
  • Hard Disk Driver

More information

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L(µH)
IR(A)
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74405042022
SPECWE-LQSH SMT High Saturation Power Inductor, 2.2 µH, 2.6 A
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Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWE-LQSH SMT High Saturation Power Inductor
Inductance2.2 µH
Rated Current2.6 A
Saturation Current7.6 A
DC Resistance48 mΩ
Self Resonant Frequency33 MHz
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