TSC103 High-voltage, high-side current sense amplifier Datasheet - production data Supply voltage range: 2.7 to 5.5 V in single-supply configuration Low current consumption: I max = 360 A CC Pin selectable gain: 20 V/V, 25 V/V, 50 V/V or 100 V/V Buffered output TSSOP8 (Plastic package) Applications Automotive current monitoring DC motor control Photo-voltaic systems Battery chargers SO8 Precision current sources (Plastic package) Current monitoring of notebook computers Uninterruptible power supplies High-end power supplies Vm Vp 1 8 SEL1 Vcc- 2 7 Description SEL2 Gnd 3 6 The TSC103 measures a small differential voltage on a high-side shunt resistor and translates it into Out Vcc+ 4 5 a ground-referenced output voltage. The gain is adjustable to four different values from 20 V/V up to 100 V/V by two selection pins. Pin connections (top view) Wide input common-mode voltage range, low quiescent current, and tiny TSSOP8 packaging enable use in a wide variety of applications. The input common-mode and power-supply Features voltages are independent. The common-mode Independent supply and input common-mode voltage can range from 2.9 V to 70 V in the single- voltages supply configuration or be offset by an adjustable voltage supplied on the Vcc- pin in the dual- Wide common-mode operating range: supply configuration. 2.9 V to 70 V in single-supply configuration, -2.1 V to 65 V in dual-supply configuration With a current consumption lower than 360 A and a virtually null input leakage current in Wide common-mode surviving range: standby mode, the power consumption in the -16 V to 75 V (reversed battery and load-dump applications is minimized. conditions) January 2014 DocID16873 Rev 3 1/25 This is information on a product in full production. www.st.comContents TSC103 Contents 1 Application schematic and pin description 3 2 Absolute maximum ratings and operating conditions . 6 3 Electrical characteristics . 7 4 Electrical characteristics curves: current sense amplifier . 10 5 Parameter definitions . 13 5.1 Common-mode rejection ratio (CMR) . 13 5.2 Supply voltage rejection ratio (SVR) 13 5.3 Gain (Av) and input offset voltage (V ) 13 os 5.4 Output voltage drift versus temperature 15 5.5 Input offset drift versus temperature . 16 5.6 Output voltage accuracy 16 6 Maximum permissible voltages on pins 18 7 Application information . 19 8 Package information 21 8.1 TSSOP8 package information . 22 8.2 SO8 package information . 23 9 Ordering information . 24 10 Revision history . 24 2/25 DocID16873 Rev 3