L6226

L6226 DMOS DUAL FULL BRIDGE DRIVER s s s s s s s s s s s OPERATING SUPPLY VOLTAGE FROM 8 TO 52V 2.8A OUTPUT PEAK CURRENT (1.4A DC) RDS(ON) 0.73Ω TYP. VALUE @ Tj = 25 °C OPERATING FREQUENCY UP TO 100KHz PROGRAMMABLE HIGH SIDE OVERCURRENT DETECTION AND PROTECTION DIAGNOSTIC OUTPUT PARALLELED OPERATION CROSS CONDUCTION PROTECTION THERMAL SHUTDOWN UNDER VOLTAGE LOCKOUT INTEGRATED FAST FREE WHEELING DIODES PowerDIP24 (20+2+2) PowerSO36 SO24 (20+2+2) ORDERING NUMBERS: L6226N (PowerDIP24) L6226PD (PowerSO36) L6226D (SO24) TYPICAL APPLICATIONS s BIPOLAR STEPPER MOTOR s DUAL OR QUAD DC MOTOR DESCRIPTION The L6226 is a DMOS Dual Full Bridge designed for motor control applications, realized in MultiPowerBLOCK DIAGRAM BCD technology, which combines isolated DMOS Power Transistors with CMOS and bipolar circuits on the same chip. Available in PowerDIP24 (20+2+2), PowerSO36 and SO24 (20+2+2) packages, the L6226 features thermal shutdown and a non-dissipative overcurrent detection on the high side Power MOSFETs plus a diagnostic output that can be easily used to implement the overcurrent protection. VBOOT VBOOT VBOOT VBOOT CHARGE PUMP OVER CURRENT DETECTION 10V 10V VSA VCP PROGCLA OCDA OCDA OUT1A OUT2A THERMAL PROTECTION ENA IN1A IN2A VOLTAGE REGULATOR OCDB OCDB PROGCLB ENB IN1B IN2B GATE LOGIC OVER CURRENT DETECTION 10V 5V GATE LOGIC SENSEA BRIDGE A VSB OUT1B OUT2B SENSEB BRIDGE B D99IN1088A September 2003 1/22 L6226 ABSOLUTE MAXIMUM RATINGS Symbol VS VOD Parameter Supply Voltage Differential Voltage between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB Test conditions VSA = VSB = VS VSA = VSB = VS = 60V; VSENSEA = VSENSEB = GND Value 60 60 Unit V V OCDA,OCDB OCD pins Voltage Range PROGCLA, PROGCLB VBOOT VIN,VEN VSENSEA, VSENSEB IS(peak) PROGCL pins Voltage Range Bootstrap Peak Voltage Input and Enable Voltage Range Voltage Range at pins SENSEA and SENSEB Pulsed Supply Current (for each VS pin), internally limited by the overcurrent protection RMS Supply Current (for each VS pin) Storage and Operating Temperature Range VSA = VSB = VS; tPULSE < 1ms VSA = VSB = VS VSA = VSB = VS -0.3 to +10 -0.3 to +7 VS + 10 -0.3 to +7 -1 to +4 3.55 V V V V V A IS Tstg, TOP 2.8 -40 to 150 A °C RECOMMENDED OPERATING CONDITIONS Symbol VS VOD Parameter Supply Voltage Differential Voltage Between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB Voltage Range at pins SENSEA and SENSEB RMS Output Current Operating Junction Temperature Switching Frequency -25 Test Conditions VSA = VSB = VS VSA = VSB = VS; VSENSEA = VSENSEB (pulsed tW < trr) (DC) -6 -1 MIN 8 MAX 52 52 Unit V V VSENSEA, VSENSEB IOUT Tj fsw 6 1 1.4 +125 100 V V A °C KHz 2/22 L6226 THERMAL DATA Symbol Rth-j-pins Rth-j-case Rth-j-amb1 Rth-j-amb1 Rth-j-amb1 Rth-j-amb2 (1) (2) (3) (4) Description MaximumThermal Resistance Junction-Pins Maximum Thermal Resistance Junction-Case MaximumThermal Resistance Junction-Ambient 1 PowerDIP24 19 44 59 SO24 15 52 78 PowerSO36 2 36 16 63 Unit °C/W °C/W °C/W °C/W °C/W °C/W Maximum Thermal Resistance Junction-Ambient 2 MaximumThermal Resistance Junction-Ambient 3 Maximum Thermal Resistance Junction-Ambient 4 Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6 cm2 (with a thickness of 35 µm). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 µm), 16 via holes and a ground layer. Mounted on a multi-layer FR4 PCB without any heat sinking surface on the board. PIN CONNECTIONS (Top View) GND N.C. N.C. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 D99IN1090A 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 GND N.C. N.C. VSB OUT2B N.C. VBOOT ENB PROGCLB IN2B IN1B SENSEB OCDB N.C. OUT1B N.C. N.C. GND IN1A IN2A SENSEA OCDA OUT1A GND GND OUT1B OCDB SENSEB IN1B IN2B 1 2 3 4 5 6 7 8 9 10 11 12 D99IN1089A 24 23 22 21 20 19 18 17 16 15 14 13 PROGCLA ENA VCP OUT2A VSA GND GND VSB OUT2B VBOOT ENB PROGCLB VSA OUT2A N.C. VCP ENA PROGCLA IN1A IN2A SENSEA OCDA N.C. OUT1A N.C. N.C. GND PowerDIP24/SO24 PowerSO36(5) (5) The slug is internally connected to pins 1,18,19 and 36 (GND pins). 3/22 L6226 PIN DESCRIPTION PACKAGE SO24/ PowerDIP24 PIN # 1 2 3 4 PowerSO36 PIN # 10 11 12 13 IN1A IN2A SENSEA OCDA Logic input Logic input Power Supply Open Drain Output Bridge A Logic Input 1. Bridge A Logic Input 2. Bridge A Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. Bridge A Overcurrent Detection and thermal protection pin. An internal open drain transistor pulls to GND when overcurrent on bridge A is detected or in case of thermal protection. Bridge A Output 1. Signal Ground terminals. In Power DIP and SO packages, these pins are also used for heat dissipation toward the PCB. Bridge B Output 1. Bridge B Overcurrent Detection and thermal protection pin. An internal open drain transistor pulls to GND when overcurrent on bridge B is detected or in case of thermal protection. Bridge B Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. Bridge B Input 1 Bridge B Input 2 Bridge B Overcurrent Level Programming. A resistor connected between this pin and Ground sets the programmable current limiting value for the bridge B. By connecting this pin to Ground the maximum current is set. This pin cannot be left non-connected. Bridge B Enable. LOW logic level switches OFF all Power MOSFETs of Bridge B. If not used, it has to be connected to +5V. Bootstrap Voltage needed for driving the upper Power MOSFETs of both Bridge A and Bridge B. Bridge B Output 2. Bridge B Power Supply Voltage. It must be connected to the supply voltage together with pin VSA. Bridge A Power Supply Voltage. It must be connected to the supply voltage together with pin VSB. Bridge A Output 2. Name Type Function 5 6, 7, 18, 19 8 9 15 1, 18, 19, 36 22 24 OUT1A GND Power Output GND OUT1B OCDB Power Output Open Drain Output 10 11 12 13 25 26 27 28 SENSEB IN1B IN2B PROGCLB Power Supply Logic Input Logic Input R Pin 14 29 ENB Logic Input 15 16 17 20 21 30 32 33 4 5 VBOOT OUT2B VSB VSA OUT2A Supply Voltage Power Output Power Supply Power Supply Power Output 4/22 L6226 PIN DESCRIPTION (continued) PACKAGE SO24/ PowerDIP24 PIN # 22 23 PowerSO36 PIN # 7 8 VCP ENA Output Logic Input Charge Pump Oscillator Output. Bridge A Enable. LOW logic level switches OFF all Power MOSFETs of Bridge A. If not used, it has to be connected to +5V. Bridge A Overcurrent Level Programming. A resistor connected between this pin and Ground sets the programmable current limiting value for the bridge A. By connecting this pin to Ground the maximum current is set. This pin cannot be left non-connected. Name Type Function 24 9 PROGCLA R Pin ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, Vs = 48V, unless otherwise specified) Symbol Parameter Test Conditions Min 5.8 5 All Bridges OFF; Tj = -25°C to 125°C (6) Typ 6.3 5.5 5 Max 6.8 6 10 Unit V V mA °C VSth(ON) Turn-on Threshold VSth(OFF) Turn-off Threshold IS Quiescent Supply Current Tj(OFF) Thermal Shutdown Temperature 165 Output DMOS Transistors RDS(ON) High-Side + Low-Side Switch ON Tj = 25 °C Resistance Tj =125 °C (6) Leakage Current EN = Low; OUT = VS EN = Low; OUT = GND Source Drain Diodes VSD trr tfr Forward ON Voltage Reverse Recovery Time Forward Recovery Time ISD = 2.8A, EN = LOW If = 1.4A 1.15 300 200 1.3 V ns ns -0.3 1.47 2.35 1.69 2.70 2 Ω Ω mA mA IDSS Logic Input VIL VIH IIL IIH Vth(ON) Low level logic input voltage High level logic input voltage Low Level Logic Input Current High Level Logic Input Current Turn-on Input Threshold GND Logic Input Voltage 7V Logic Input Voltage 1.8 -0.3 2 -10 10 2.0 0.8 7 V V µA µA V 5/22 L6226 ELECTRICAL CHARACTERISTICS (continued) (Tamb = 25 °C, Vs = 48V, unless otherwise specified) Symbol Vth(OFF) Vth(HYS) Parameter Turn-off Input Threshold Input Threshold Hysteresis Test Conditions Min 0.8 0.25 Typ 1.3 0.5 Max Unit V V Switching Characteristics tD(on)EN tD(on)IN tRISE tD(off)EN tD(off)IN tFALL tdt fCP Enable to out turn ON delay time (8) Input to out turn ON delay time Output rise time(8) ILOAD =1.4A, Resistive Load ILOAD =1.4A, Resistive Load (dead time included) ILOAD =1.4A, Resistive Load 40 500 500 40 0.5 -25°C