L6206 DMOS DUAL FULL BRIDGE DRIVER OPERATING SUPPLY VOLTAGE FROM 8 TO 52V 5.6A OUTPUT PEAK CURRENT (2.8A DC) RDS(ON) 0.3 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 TYPICAL APPLICATIONS BIPOLAR STEPPER MOTOR DUAL OR QUAD DC MOTOR DESCRIPTION The L6206 is a DMOS Dual Full Bridge designed for motor control applications, realized in MultiPower- PowerDIP24 (20+2+2) PowerSO36 SO24 (20+2+2) ORDERING NUMBERS: L6206N (PowerDIP24) L6206PD (PowerSO36) L6206D (SO24) 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 L6206 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. BLOCK DIAGRAM VBOOT VBOOT VBOOT VCP VSA VBOOT CHARGE PUMP PROGCLA OCDA OCDA OVER CURRENT DETECTION 10V THERMAL PROTECTION ENA OUT1A OUT2A 10V GATE LOGIC IN1A SENSEA IN2A VOLTAGE REGULATOR 10V 5V BRIDGE A OCDB OCDB OVER CURRENT DETECTION VSB PROGCLB ENB OUT1B OUT2B GATE LOGIC SENSEB IN1B IN2B BRIDGE B D99IN1088A September 2003 1/23 L6206 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Test conditions Value Unit Supply Voltage VSA = VSB = VS 60 V Differential Voltage between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB VSA = VSB = VS = 60V; VSENSEA = VSENSEB = GND 60 V OCDA,OCDB OCD pins Voltage Range -0.3 to +10 V PROGCLA, PROGCLB -0.3 to +7 V VS + 10 V VS VOD VBOOT PROGCL pins Voltage Range Bootstrap Peak Voltage VSA = VSB = VS VIN,VEN Input and Enable Voltage Range -0.3 to +7 V VSENSEA, VSENSEB Voltage Range at pins SENSEA and SENSEB -1 to +4 V IS(peak) Pulsed Supply Current (for each VS pin), internally limited by the overcurrent protection VSA = VSB = VS; tPULSE < 1ms 7.1 A RMS Supply Current (for each VS pin) VSA = VSB = VS 2.8 A -40 to 150 C IS Tstg, TOP Storage and Operating Temperature Range RECOMMENDED OPERATING CONDITIONS Symbol Parameter Test Conditions Supply Voltage VSA = VSB = VS VOD Differential Voltage Between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB VSA = VSB = VS; VSENSEA = VSENSEB VSENSEA, VSENSEB Voltage Range at pins SENSEA and SENSEB (pulsed tW < trr) (DC) VS IOUT 2/23 MIN MAX Unit 8 52 V 52 V 6 1 V V 2.8 A +125 C 100 KHz -6 -1 RMS Output Current Tj Operating Junction Temperature fsw Switching Frequency -25 L6206 THERMAL DATA Symbol Description Rth-j-pins MaximumThermal Resistance Junction-Pins Rth-j-case Maximum Thermal Resistance Junction-Case PowerDIP24 SO24 PowerSO36 Unit 18 14 - C/W - - 1 C/W 43 51 - C/W Rth-j-amb1 MaximumThermal Resistance Junction-Ambient Rth-j-amb1 Maximum Thermal Resistance Junction-Ambient 2 - - 35 C/W Rth-j-amb1 MaximumThermal Resistance Junction-Ambient 3 - - 15 C/W Rth-j-amb2 Maximum Thermal Resistance Junction-Ambient 4 58 77 62 C/W (1) (2) (3) (4) 1 Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the bottom side of 6 cm2 (with a thickness of 35 m). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 m). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6 cm2 (with a thickness of 35 m), 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) IN1A 1 24 GND 1 36 GND N.C. 2 35 N.C. N.C. 3 34 N.C. VSA 4 33 VSB OUT2A 5 32 OUT2B N.C. 6 31 N.C. VCP 7 30 VBOOT ENA 8 29 ENB PROGCLA 9 28 PROGCLB PROGCLA IN2A 2 23 ENA SENSEA 3 22 VCP OCDA 4 21 OUT2A OUT1A 5 20 VSA GND 6 19 GND GND 7 18 GND OUT1B 8 17 VSB OCDB 9 16 OUT2B SENSEB 10 15 VBOOT IN1B 11 14 IN2B 12 13 IN1A 10 27 IN2B IN2A 11 26 IN1B SENSEA 12 25 SENSEB OCDA 13 24 OCDB N.C. 14 23 N.C. OUT1A 15 22 OUT1B ENB N.C. 16 21 N.C. PROGCLB N.C. 17 20 N.C. GND 18 19 GND D99IN1089A D99IN1090A PowerDIP24/SO24 PowerSO36(5) (5) The slug is internally connected to pins 1,18,19 and 36 (GND pins). 3/23 L6206 PIN DESCRIPTION PACKAGE SO24/ PowerDIP24 PowerSO36 PIN # PIN # 1 Name Type 10 IN1A Logic input Bridge A Logic Input 1. 2 11 IN2A Logic input Bridge A Logic Input 2. 3 12 SENSEA Power Supply Bridge A Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. 4 13 OCDA Open Drain Output 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. 5 15 OUT1A Power Output 6, 7, 18, 19 1, 18, 19, 36 GND GND 8 22 OUT1B Power Output 9 24 OCDB Open Drain Output 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. 10 25 SENSEB Power Supply Bridge B Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. 11 26 IN1B Logic Input Bridge B Input 1 12 27 IN2B Logic Input Bridge B Input 2 13 28 PROGCLB R Pin 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. 14 29 ENB Logic Input Bridge B Enable. LOW logic level switches OFF all Power MOSFETs of Bridge B. If not used, it has to be connected to +5V. 15 30 VBOOT Supply Voltage 16 32 OUT2B Power Output Bridge B Output 2. 17 33 VSB Power Supply Bridge B Power Supply Voltage. It must be connected to the supply voltage together with pin VSA. 20 4 VSA Power Supply Bridge A Power Supply Voltage. It must be connected to the supply voltage together with pin VSB. 21 5 OUT2A Power Output Bridge A Output 2. 4/23 Function 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. Bootstrap Voltage needed for driving the upper Power MOSFETs of both Bridge A and Bridge B. L6206 PIN DESCRIPTION (continued) PACKAGE SO24/ PowerDIP24 PowerSO36 PIN # PIN # 22 Name Type Function 7 VCP Output 23 8 ENA Logic Input Bridge A Enable. LOW logic level switches OFF all Power MOSFETs of Bridge A. If not used, it has to be connected to +5V. 24 9 PROGCLA R Pin 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. Charge Pump Oscillator Output. ELECTRICAL CHARACTERISTICS (Tamb = 25 C, Vs = 48V, unless otherwise specified) Symbol Min Typ Max Unit VSth(ON) Turn-on Threshold 6.6 7 7.4 V VSth(OFF) Turn-off Threshold 5.6 6 6.4 V 5 10 mA IS Tj(OFF) Parameter Quiescent Supply Current Test Conditions All Bridges OFF; Tj = -25C to 125C (6) Thermal Shutdown Temperature C 165 Output DMOS Transistors RDS(ON) High-Side Switch ON Resistance Tj = 25 C Low-Side Switch ON Resistance IDSS Leakage Current 0.34 0.4 Tj =125 C (6) 0.53 0.59 Tj = 25 C 0.28 0.34 Tj =125 C (6) 0.47 0.53 2 mA EN = Low; OUT = VS EN = Low; OUT = GND -0.15 mA Source Drain Diodes Forward ON Voltage ISD = 2.8A, EN = LOW 1.15 trr Reverse Recovery Time If = 2.8A 300 ns tfr Forward Recovery Time 200 ns VSD 1.3 V Logic Input VIL Low level logic input voltage -0.3 0.8 V VIH High level logic input voltage 2 7 V IIL Low Level Logic Input Current GND Logic Input Voltage -10 A 5/23 L6206 ELECTRICAL CHARACTERISTICS (continued) (Tamb = 25 C, Vs = 48V, unless otherwise specified) Symbol IIH Parameter High Level Logic Input Current Vth(ON) Turn-on Input Threshold Vth(OFF) Turn-off Input Threshold Vth(HYS) Input Threshold Hysteresis Test Conditions Min Typ 7V Logic Input Voltage 1.8 Max Unit 10 A 2.0 V 0.8 1.3 V 0.25 0.5 V 100 250 Switching Characteristics tD(on)EN Enable to out turn ON delay time (7) ILOAD =2.8A, Resistive Load tD(on)IN Input to out turn ON delay time ILOAD =2.8A, Resistive Load (dead time included) Output rise time(7) ILOAD =2.8A, Resistive Load 40 tD(off)EN Enable to out turn OFF delay time (7) ILOAD =2.8A, Resistive Load 300 tD(off)IN Input to out turn OFF delay time ILOAD =2.8A, Resistive Load Output Fall Time (7) ILOAD =2.8A, Resistive Load tRISE tFALL tdt Dead Time Protection fCP Charge pump frequency 400 1.6 550 s 250 ns 800 ns 600 40 0.5 -25C