TSC101 STMicroelectronics, TSC101 Datasheet
TSC101
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TSC101 Summary of contents
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... Photovoltaic systems ■ Battery chargers ■ Precision current sources Description The TSC101 measures a small differential voltage on a high-side shunt resistor and translates it into a ground-referenced output voltage. The gain is internally fixed. Wide input common-mode voltage range, low quiescent current, and tiny SOT23 packaging enable use in a wide variety of applications ...
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... Application schematics and pin description 1 Application schematics and pin description The TSC101 high-side current sense amplifier features a 2 input common-mode range that is independent of the supply voltage. The main advantage of this feature is that it allows high-side current sensing at voltages much greater than the supply voltage (V Figure 1 ...
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... TSC101 2 Absolute maximum ratings and operating conditions Table 2. Absolute maximum ratings Symbol V Input pins differential voltage ( Input pin voltages ( supply voltage output pin voltage out T Storage temperature stg T Maximum junction temperature j R SOT23-5 thermal resistance junction to ambient ...
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... Doc ID 13313 Rev 3 Min. Typ. Max. 165 300 = mV load sense Min. Typ. Max. 90 105 90 105 ±0.2 ±1.5 ±0.9 ± load sense TSC101 Unit µA Unit µV/°C µA µA ...
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... Unless otherwise specified, the test conditions are T Out. 2. See Output voltage drift versus temperature on page 12 3. Output voltage accuracy is the difference with the expected theoretical output voltage V See Output voltage accuracy on page 13 Test conditions TSC101A TSC101B TSC101C T = 25°C amb T < T < T min amb max ...
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... load TSC101A TSC101B TSC101C 100 mV sense ( load V = 100 mV sense TSC101A TSC101B TSC101C = 25° amb CC Test conditions = 25° amb CC Doc ID 13313 Rev 3 Min. Typ. Max 0.55 0.9 500 670 ...
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... TSC101 3.1 Electrical characteristics curves For the following curves, the tested device is a TSC101C, and the test conditions are T = 25°C, V amb CC otherwise specified. Figure 2. Supply current vs. supply voltage ( sense Figure 4. V pin input bias current vs mV, V ...
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... Minimum common mode operating voltage vs. temperature Figure 8. Output stage high-state saturation voltage versus output current ( sense 8/18 Figure 7. Output stage low-state saturation voltage versus output current (V sense Figure 9. Output short-circuit source current versus temperature (Out pin connected to ground) Doc ID 13313 Rev 3 TSC101 = -1 V) ...
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... TSC101 Figure 10. Output short-circuit sink current versus temperature (Out pin connected Figure 12. Input offset drift versus temperature Figure 14. Bode diagram (V Figure 11. Output stage load regulation ) Figure 13. Output voltage drift versus =100mV) Figure 15. Power-supply rejection ratio versus sense Doc ID 13313 Rev 3 ...
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... Electrical characteristics Figure 16. Total output voltage accuracy versus V sense Figure 18. Output voltage versus V for low V values) sense 10/18 Figure 17. Output voltage versus V (detail Figure 19. Step response sense Doc ID 13313 Rev 3 TSC101 sense ...
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... TSC101 4 Parameter definitions 4.1 Common mode rejection ratio (CMR) The common-mode rejection ratio (CMR) measures the ability of the current-sensing amplifier to reject any DC voltage applied on both inputs V back to the input so that its effect can be compared with the applied differential signal. The CMR is defined by the formula: 4 ...
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... V Figure 21. Output voltage drift versus temperature 12/18 versus V characteristics: detail for low V sense ΔV out ( V out T amb ---------------- - = max ------------------------------------------------------------------------- - ΔT T amb < max versus T. out Doc ID 13313 Rev 3 values sense ) V out 25° – – 25° C TSC101 with out ...
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... The output voltage accuracy, expressed in percentage, can be calculated with the following formula: with V/V for TSC101A sense , os vs. V theoretical and actual characteristics sense ( abs V – out ΔV = ------------------------------------------------------------------------- - ⋅ out V/V for TSC101B and A v Doc ID 13313 Rev 3 Parameter definitions ⋅ sense V sense = 100 V/V for TSC101C. v 13/18 ...
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... Application information 5 Application information The TSC101 can be used to measure current and to feed back the information to a microcontroller, as shown in Figure 23. Typical application schematic The current from the supply flows to the load through the R drop equal to V sense inverting input voltage is equal to V input to the same voltage as the inverting input consequence, the amplifier adjusts ...
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... TSC101 6 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ECOPACK trademark. Figure 24. SOT23-5L package mechanical drawing Table 9. ...
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... TSC101AILT TSC101BILT -40°C, +125°C TSC101CILT (1) TSC101AIYLT (1) TSC101BIYLT -40°C, +125°C (1) TSC101CIYLT 1. Qualified and characterized according to AEC Q100 and Q003 or equivalent, advanced screening according to AEC Q001 & Q 002 or equivalent. 16/18 Package Packaging SOT23-5 Tape & reel SOT23-5 Tape & reel (Automotive grade) ...
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... TSC101 8 Revision history Table 11. Document revision history Date 05-Mar-2007 22-Oct-2007 14-Mar-2011 Revision 1 First release, preliminary data. Document status promoted from preliminary data to datasheet. 2 Added test results in electrical characteristics tables. Added electrical characteristics curves. Added ESD charged device model values in maximum ratings. ...
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... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Philippines - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America 18/18 Please Read Carefully: © 2011 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com Doc ID 13313 Rev 3 TSC101 ...