The IRS2128(S)PBF and IRS21281(S)PBF are not recommended for new designs. For new designs, we recommend IRS2127(S)PBF for IRS2128(S)PBF and IRS21271(S)PBF for IRS21281(S)PBF Data Sheet No. PD60299 IRS212(7, 71, 8, 81)(S)PbF CURRENT SENSING SINGLE CHANNEL DRIVER Features Product Summary Floating channel designed for bootstrap operation Fully operational to +600 V V 600 V max. OFFSET Tolerant to negative transient voltage dV/dt immune Application-specific gate drive range: I +/- 200 mA / 420 mA O Motor Drive: 12 V to 20 V (IRS2127/IRS2128) Automotive: 9 V to 20 V (IRS21271/IRS21281) V 12 V - 20V 9 V - 20 V OUT Undervoltage lockout (IRS2127/IR2128) (IRS21271/IR21281) 3.3 V, 5 V, and 15 V input logic compatible FAULT lead indicates shutdown has occured Output in phase with input (IRS2127/IRS21271) V 250 mV or 1.8 V CSth Output out of phase with input (IRS2128/IRS21281) RoHS compliant t (typ.) 150 ns & 150 ns on/off Description Packages The IRS2127/IRS2128/IRS21271/IRS21281 are high voltage, high speed power MOSFET and IGBT drivers. Proprietary HVIC and latch immune CMOS technologies enable ruggedized monolithic construc- tion. The logic input is compatible with standard CMOS or LSTTL outputs, down to 3.3 V. The protec- tion circuity detects over-current in the driven power transistor and terminates the gate drive voltage. An 8-Lead PDIP 8-Lead SOIC open drain FAULT signal is provided to indicate that an over-current shutdown has occurred. The output driver features a high pulse current buffer stage designed for minimum cross-conduction. The floating chan- nel can be used to drive an N-channel power MOSFET or IGBT in the high-side or low-side configuration which operates up to 600 V. Typical Connection V V V CC CC B IN IN HO FAULT FAULT CS COM V S V V V IRS2127/IRS21271 CC CC B IN IN HO FAULT FAULT CS (Refer to Lead Assignments for correct pin configuration). COM V S These diagrams show electrical connections only. Please refer to our Application Notes and DesignTips for proper IRS2128/IRS21281 circuit board layout. www.irf.com 1The IRS2128(S)PBF and IRS21281(S)PBF are not recommended for new designs. For new designs, we recommend IRS2127(S)PBF for IRS2128(S)PBF and IRS21271(S)PBF for IRS21281(S)PBF IRS212(7, 71, 8, 81)(S)PbF Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage param- eters are absolute voltages referenced to COM. The thermal resistance and power dissipation ratings are measured under board mounted and still air conditions. Symbol Definition Min. Max. Units V High-side floating supply voltage -0.3 625 B V High-side floating offset voltage V - 25 V + 0.3 S B B V High-side floating output voltage V - 0.3 V + 0.3 HO S B V Logic supply voltage -0.3 25 V CC V Logic input voltage -0.3 V + 0.3 IN CC V FAULT output voltage -0.3 V + 0.3 FLT CC V Current sense voltage V - 0.3 V + 0.3 CS S B dV /dt Allowable offset supply voltage transient 50 V/ns s 8-Lead DIP 1.0 P Package power dissipation TA +25 C W D 8-Lead SOIC 0.625 8-Lead DIP 125 Rth Thermal resistance, junction to ambient C/W JA 8-Lead SOIC 200 T Junction temperature 150 J T Storage temperature -55 150 C S T Lead temperature (soldering, 10 seconds) 300 L Recommended Operating Conditions The input/output logic timing diagram is shown in Fig. 1. For proper operation the device should be used within the recommended conditions. The V offset rating is tested with all supplies biased at 15 V differential. S Symbol Definition Min. Max. Units (IRS2127/IRS2128) V + 12 V + 20 S S V High-side floating supply voltage B (IRS21271/IRS21281) V + 9 V + 20 S S V High-side floating offset voltage Note 1 600 S V High-side floating output voltage V V HO S B V V Logic supply voltage 10 20 CC V Logic input voltage 0 V IN CC V FAULT output voltage 0 V FLT CC V Current sense signal voltage V V + 5 CS S S T Ambient temperature -40 125 C A Note 1: Logic operational for V of -5 V to +600 V. Logic state held for V of -5 V to -V . (Please refer to the Design Tip S S BS DT97-3 for more details). www.irf.com 2