Datasheets
TSS521D by: Texas Instruments

Single-chip Meter-bus Transceiver 16-SOIC -25 to 85

Part Details for TSS521D by Texas Instruments

Results Overview of TSS521D by Texas Instruments

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Applications Consumer Electronics

TSS521D Information

TSS521D by Texas Instruments is an Other Interface IC.
Other Interface ICs are under the broader part category of Drivers And Interfaces.

A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.

Price & Stock for TSS521D

Part # Distributor Description Stock Price Buy
Ameya Holding Limited IC TXRX METER BUS 30570
RFQ

Part Details for TSS521D

TSS521D CAD Models

TSS521D Part Data Attributes

TSS521D Texas Instruments
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TSS521D Texas Instruments Single-chip Meter-bus Transceiver 16-SOIC -25 to 85
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SOP,
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Interface IC Type INTERFACE CIRCUIT
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 9.9 mm
Moisture Sensitivity Level 1
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -25 °C
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Peak Reflow Temperature (Cel) 260
Seated Height-Max 1.75 mm
Supply Voltage-Max 3.8 V
Supply Voltage-Min 2.5 V
Supply Voltage-Nom 3.3 V
Surface Mount YES
Temperature Grade OTHER
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for TSS521D

This table gives cross-reference parts and alternative options found for TSS521D. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of TSS521D, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
TSS521DR Texas Instruments $1.2122 Single-chip Meter-bus Transceiver 16-SOIC -25 to 85 TSS521D vs TSS521DR
ADUM1281WBRZ-RL7 Analog Devices Inc Check for Price 3kV rms, Default High, Dual-Channel Digital Isolators (1/1 Channel Directionality) TSS521D vs ADUM1281WBRZ-RL7

TSS521D Related Parts

TSS521D Frequently Asked Questions (FAQ)

  • A good PCB layout is crucial for the TSS521D. Ensure a solid ground plane, keep the input and output traces short and separate, and use a common mode choke to reduce EMI. TI provides a recommended layout in their application notes.

  • The input capacitor value depends on the input voltage, frequency, and desired ripple voltage. A general rule of thumb is to use a capacitor with a value between 1uF to 10uF, with a voltage rating higher than the input voltage. TI provides a capacitor selection guide in their application notes.

  • The maximum output current of the TSS521D is 1A. However, it's recommended to derate the output current based on the ambient temperature and desired reliability. TI provides a derating curve in the datasheet.

  • To ensure stability, follow the recommended PCB layout, use a suitable input capacitor, and add a compensation capacitor (Ccomp) between the Vout and Vin pins. The value of Ccomp depends on the output voltage and load capacitance. TI provides a stability analysis guide in their application notes.

  • The EN (Enable) pin is used to turn the regulator on or off. When EN is high, the regulator is enabled, and when EN is low, the regulator is disabled. Use a logic-level signal to control the EN pin, and ensure it's properly bypassed to prevent noise coupling.

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