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TSM9938W Datasheet(PDF) 10 Page - Touchstone Semiconductor Inc |
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TSM9938W Datasheet(HTML) 10 Page - Touchstone Semiconductor Inc |
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10 / 11 page  TSM9938 Page 10 TSM9938DS r1p0 RTFDS RS+/RS- input pair of TSM9938 #2 is wired opposite in polarity with respect to the RS+/RS- connections of TSM9938 #1. Current-sense amplifier #1 therefore measures the discharge current and current-sense amplifier #2 measures the charge current. Note that both output voltages are measured with respect to GND. When the discharge current is being measured, VOUT1 is active and VOUT2 is zero; for the case where charge current is being measured, VOUT1 is zero, and VOUT2 is active. PC Board Layout and Power-Supply Bypassing For optimal circuit performance, the TSM9938 should be in very close proximity to the external current-sense resistor and the pcb tracks from RSENSE to the RS+ and the RS- input terminals of the TSM9938 should be short and symmetric. Also recommended are a ground plane and surface mount resistors and capacitors. |
Similar Part No. - TSM9938W |
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Similar Description - TSM9938W |
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