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UCC3952PWTR-4 Datasheet(PDF) 4 Page - Texas Instruments |
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UCC3952PWTR-4 Datasheet(HTML) 4 Page - Texas Instruments |
4 / 8 page UCC3952-1, UCC3952-2, UCC3952-3, UCC3952-4 SingleCell LithiumIon Battery Protection IC SLUS400D – AUGUST 2000 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics, TA = –20°C to 70°C, all voltages are with respect to BNEG (unless otherwise stated) (continued) FET switch PARAMETER TEST CONDITIONS MIN TYP MAX UNITS V Voltage at PACK PACK+ > VOV , I(SWITCH) = 1 mA to 2 A, Battery overcharged state switch permits discharge current only. 100 400 mV V(PACK–) Voltage at PACK– PACK+ = 2.5V, I(SWITCH) = –1 mA to –2 A, Battery overdischarged state switch permits charge current only. –600 –100 mV RON Series resistance of the device PACK+ = 2.5 V, In normal mode (when not in OV or UV). This value includes package and bondwire resistance. 50 75 m Ω thermal shutdown PARAMETER TEST CONDITIONS MIN TYP MAX UNITS T(SD) Thermal shutdown temperature (see Note 2) 135 °C NOTE 2: This parameter is ensured by design and is not production tested. detailed description pin descriptions BNEG Connect the negative terminal of the battery to this pin. PACK+ Connect to the positive terminal of the battery. This pin is available to the user. CBPS This power supply bypass pin is connected to PACK+ through an internal 3-k Ω resistor. An external 0.1-µF capacitor must be connected between this pin and BNEG. PACK– The negative terminal of the battery pack (negative terminal available to the user). The internal FET switch connects this terminal to the BNEG terminal to give the battery pack user appropriate access to the battery. In an overcharged state, only discharge current is permitted. In an overdischarged state, only charge current is permitted. SUB (DP Package Only) Do not connect. These pins must be electrically isolated from all other pins. The SUB pins may be soldered to an isolated copper pad for heatsinking. However, most applications do not require heatsinking. TCLK Production test mode pin. This pin is used to provide a high-frequency clock to the IC during production testing. In an application, this pin is left unconnected or tied to BNEG. |
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Similar Description - UCC3952PWTR-4 |
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