L6205

L6205 DMOS DUAL FULL BRIDGE DRIVER s s s s s s s s s s OPERATING SUPPLY VOLTAGE FROM 8 TO 52V 5.6A OUTPUT PEAK CURRENT (2.8A DC) RDS(ON) 0.3Ω TYP. VALUE @ Tj = 25 °C OPERATING FREQUENCY UP TO 100KHz NON DISSIPATIVE OVERCURRENT PROTECTION PARALLELED OPERATION CROSS CONDUCTION PROTECTION THERMAL SHUTDOWN UNDER VOLTAGE LOCKOUT INTEGRATED FAST FREE WHEELING DIODES PowerDIP20 (16+2+2) PowerSO20 SO20 (16+2+2) ORDERING NUMBERS: L6205N (PowerDIP20) L6205PD (PowerSO20) L6205D (SO20) TYPICAL APPLICATIONS s BIPOLAR STEPPER MOTOR s DUAL OR QUAD DC MOTOR DESCRIPTION The L6205 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 PowerDIP20 (16+2+2), PowerSO20 and SO20(16+2+2) packages, the L6205 features a non-dissipative protection of the high side PowerMOSFETs and thermal shutdown. VBOOT VBOOT VBOOT VBOOT CHARGE PUMP OVER CURRENT DETECTION 10V 10V VSA VCP OCDA OUT1A OUT2A THERMAL PROTECTION ENA IN1A IN2A VOLTAGE REGULATOR 10V 5V GATE LOGIC SENSEA BRIDGE A OVER CURRENT DETECTION OCDB V SB OUT1B ENB IN1B IN2B BRIDGE B GATE LOGIC OUT2B SENSEB D99IN1091A September 2003 1/21 L6205 ABSOLUTE MAXIMUM RATINGS Symbol VS VOD Parameter Supply Voltage Differential Voltage between VSA, OUT1A, OUT2A, SENSEA and VSB, OUT1B, OUT2B, SENSEB 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 Test conditions VSA = VSB = VS VSA = VSB = VS = 60V; VSENSEA = VSENSEB = GND VSA = VSB = VS Value 60 60 Unit V V VBOOT VIN,VEN VSENSEA, VSENSEB IS(peak) VS + 10 -0.3 to +7 -1 to +4 7.1 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 2.8 +125 100 V V A °C KHz 2/21 L6205 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 PowerDIP20 12 40 56 SO20 14 51 77 PowerSO20 1 35 15 62 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 6cm2 (with a thickness of 35µm). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm2 (with a thickness of 35µm). Mounted on a multi-layer FR4 PCB with a dissipating copper surface on the top side of 6cm2 (with a thickness of 35µm), 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 IN2A SENSEA OUT1A GND GND OUT1B SENSEB IN1B IN2B 1 2 3 4 5 6 7 8 9 10 D99IN1093A 20 19 18 17 16 15 14 13 12 11 ENA VCP OUT2A VSA GND GND VSB OUT2B VBOOT ENB GND VSA OUT2A VCP ENA IN1A IN2A SENSEA OUT1A GND 1 2 3 4 5 6 7 8 9 10 D99IN1092A 20 19 18 17 16 15 14 13 12 11 GND VSB OUT2B VBOOT ENB IN2B IN1B SENSEB OUT1B GND PowerDIP20/SO20 PowerSO20 (5) (5) The slug is internally connected to pins 1,10,11 and 20 (GND pins). 3/21 L6205 PIN DESCRIPTION PACKAGE SO20/ PowerDIP20 PIN # 1 2 3 4 5, 6, 15, 16 PowerSO20 PIN # 6 7 8 9 1, 10, 11, 20 12 13 14 15 16 IN1A IN2A SENSEA OUT1A GND Logic Input Logic Input Power Supply Power Output GND 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 Output 1. Signal Ground terminals. In PowerDIP and SO packages, these pins are also used for heat dissipation toward the PCB. Bridge B Output 1. Bridge B Source Pin. This pin must be connected to Power Ground directly or through a sensing power resistor. Bridge B Logic Input 1. Bridge B Logic Input 2. Bridge B Enable. LOW logic level switches OFF all Power MOSFETs of Bridge B. This pin is also connected to the collector of the Overcurrent and Thermal Protection transistor to implement over current protection. If not used, it has to be connected to +5V through a resistor. Bootstrap Voltage needed for driving the upper PowerMOSFETs 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. Charge Pump Oscillator Output. Bridge A Enable. LOW logic level switches OFF all Power MOSFETs of Bridge A. This pin is also connected to the collector of the Overcurrent and Thermal Protection transistor to implement over current protection. If not used, it has to be connected to +5V through a resistor. Name Type Function 7 8 9 10 11 OUT1B SENSEB IN1B IN2B ENB Power Output Power Supply Logic Input Logic Input Logic Input (6) 12 13 14 17 18 19 20 17 18 19 2 3 4 5 VBOOT OUT2B VSB VSA OUT2A VCP ENA Supply Voltage Power Output Power Supply Power Supply Power Output Output Logic Input (6) (6) Also connected at the output drain of the Overcurrent and Thermal protection MOSFET. Therefore, it has to be driven putting in series a resistor with a value in the range of 2.2kΩ - 180KΩ, recommended 100kΩ 4/21 L6205 ELECTRICAL CHARACTERISTICS (Tamb = 25 °C, Vs = 48V, unless otherwise specified) Symbol Parameter Test Conditions Min 6.6 5.6 All Bridges OFF; Tj = -25°C to 125°C (7) Typ 7 6 5 Max 7.4 6.4 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 Switch ON Resistance Tj = 25 °C Tj =125 °C (7) Low-Side Switch ON Resistance Tj = 25 °C Tj =125 °C (7) IDSS 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 = 2.8A 1.15 300 200 1.3 V ns ns -0.15 0.34 0.53 0.28 0.47 0.4 0.59 0.34 0.53 2 Ω Ω Ω Ω mA mA Logic Input VIL VIH IIL IIH Vth(ON) Vth(OFF) Vth(HYS) Low level logic input voltage High level logic input voltage Low Level Logic Input Current High Level Logic Input Current Turn-on Input Threshold Turn-off Input Threshold Input Threshold Hysteresis 0.8 0.25 GND Logic Input Voltage 7V Logic Input Voltage 1.8 1.3 0.5 -0.3 2 -10 10 2.0 0.8 7 V V µA µA V V V Switching Characteristics tD(on)EN tD(on)IN tRISE tD(off)EN Enable to out turn ON delay time (8) Input to out turn ON delay time Output rise time(8) ILOAD =2.8A, Resistive Load ILOAD =2.8A, Resistive Load (dead time included) ILOAD =2.8A, Resistive Load 40 300 550 100 250 1.6 250 800 400 ns µs ns ns Enable to out turn OFF delay time (8) ILOAD =2.8A, Resistive Load 5/21 L6205 ELECTRICAL CHARACTERISTICS (continued) (Tamb = 25 °C, Vs = 48V, unless otherwise specified) Symbol tD(off)IN tFALL tdt fCP Parameter Input to out turn OFF delay time Output Fall Time (8) Dead Time Protection Charge pump frequency -25°C