L6370

L6370 2.5A HIGH-SIDE DRIVER INDUSTRIAL INTELLIGENT POWER SWITCH 2.5A OUTPUT CURRENT 9.5V TO 35V SUPPLY VOLTAGE RANGE INTERNAL CURRENT LIMITING THERMAL SHUTDOWN OPEN GROUND PROTECTION INTERNAL NEGATIVE VOLTAGE CLAMPING TO VS - 50V FOR FAST DEMAGNETIZATION DIFFERENTIAL INPUTS WITH LARGE COMMON MODE RANGE AND THRESHOLD HYSTERESIS UNDERVOLTAGELOCKOUT WITH HYSTERESIS OPEN LOAD DETECTION TWO DIAGNOSTIC OUTPUTS OUTPUT STATUS LED DRIVER NON DISSIPATIVE SHORT CIRCUIT PROTECTION PROTECTION AGAINST AND SURGE TRANSIENT (IEC 801-5) IMMUNITY AGAINST BURST TRANSIENT (IEC 801-4) ESD PROTECTION (HUMAN BODY MODEL ±2KV) BLOCK DIAGRAM VS UNDER VOLTAGE INPUT CHARGE PUMP MULTIPOWER BCD TECHNOLOGY MULTIWATT11 (in line) PowerSO20 ORDERING NUMBERS: L6370L (MULTIWATT11) L6 37 0 D ( P o we rS O 2 0 ) DESCRIPTION The L6370 is a monolithic Intelligent Power Switch in Multipower BCD Technology, for driving inductive or resistive loads. An internal Clamping Diode enables the fast demagnetization of inductive loads. Diagnostic for CPU feedback and extensive use of electrical protections make this device extremely rugged and specially suitable for industrial automation applications. IN+ IN- + DRIVER OUT NON DISSIPATIVE SHORT CIRCUIT CURRENT LIMITATION OPEN LOAD DETECTION OUTSTATUS DIAG1 DIAGNOSTIC 1.4V RSC ON-DELAY OSC THERMAL PROTECTION DIAG2 3mA OUTPUT STATUS D95IN208D March 1997 1/10 L6370 PIN CONNECTION (Top view) 11 10 9 8 7 6 5 4 3 2 1 D95IN209A OUTPUT SUPPLY VOLTAGE OUTPUT RSC ON-DELAY GND OUTPUT STATUS INPUT INPUT + DIAGNOSTIC 2 DIAGNOSTIC 1 GND OUTPUT OUTPUT ON-DELAY SUPPLY VOLTAGE SUPPLY VOLTAGE N.C. OUTPUT OUTPUT GND 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 GND OUTPUT STATUS INPUT INPUT + N.C. DIAGNOSTIC 2 DIAGNOSTIC 1 RSC N.C. GND D95IN210B Note: Output pins must be must be connected externally to the package to use all leads for the output current (Pin 9 and 11 for Multiwatt package, Pin 2, 3, 8 and 9 for PowerSO20 package). ABSOLUTE MAXIMUM RATINGS (Pin numbering referred to Multiwatt package) Symbol VS VS – VO Vod Iod Vi Vi Ii IO Ptot Top Tstg EI Parameter Supply Voltage (Pin 10) (TW < 10ms) Supply to Output Differential Voltage. See also VCl (Pins 10 - 9) Externally Forced Voltage (Pin7) Externally Forced Voltage (Pin7) Input Voltage (Pins 3/4) Differential Input Voltage (Pins 3 - 4) Input Current (Pins 3/4) Output Current (Pin 9). See also ISC (Pin 9) Power Dissipation. See also THERMAL CHARACTERISTICS. Operating Temperature Range (Tamb) Storage Temperature Energy Induct. Load TJ = 85°C Value 50 internally limited -0.3 to 7 +1 -10 to VS +10 43 20 internally limited internally limited -25 to +85 -55 to 150 1 Unit V V V mA V V mA A W °C °C J THERMAL DATA Symbol Rth j-case Rth j-amb Description Thermal Resistance Junction-case Thermal Resistance Junction-ambient Max. Max. Multiwatt 1.5 35 PowerSO20 1.5 – Unit °C/W °C/W 2/10 L6370 PIN FUNCTION (pin numbering referred to Multiwatt package) N. 1 2 3 4 5 6 7 8 9 10 11 Name DIAG1 DIAG1 IN IN+ OUTSTATUS GND ON-DELAY RSC OUTPUT VS OUTPUT Function DIAGNOSTIC 1 output. This open drain reports the IC working conditions. (See Diagnostic truth table) DIAGNOSTIC 2 output. This open drain reports the IC working conditions. (See Diagnostic truth table) Comparator non inverting input Comparator inverting input This current source output is capable of driving a LED to signal the status of the output pin. The pin is active (source current) when the output pin is considered high (See fig 1) Ground Programmable ON time interval duration during short circuit operation Current limitation setting. High Side output with built-in current limitation Supply Volatge Input, the value of the supply voltage is monitored to detect under voltage condition High Side output with built-in current limitation ELECTRICAL CHARACTERISTICS (VS = 24V; TJ = –25 to +125°C, unless otherwise specified) Symbol Vsmin Vs Iq Vsth1 Vsth2 Vshys Isc Parameter Supply Voltage for Valid Diagnostics Supply Voltage (operative) Quiescent Current Iou t = Ios = 0 Undervoltage Threshold 1 Undervoltage Threshold 2 Supply Voltage Hysteresis Short Circuit Current Test Condition Idiag > 0.5mA ; Vdg1 = 1.5V Min. 4 9.5 Vil Vih (See fig. 1), Tamb = 0 to +85°C Typ. Max. 35 35 1.4 5 9.5 9 700 Unit V V mA mA V V mV A 4 280 440 350 550 500 1.5 58 6 15 250 2 400 A mV mV mV mV µA V V mA V µA V mV KΩ KΩ µA µA µA µA µA µA 3/10 8.5 8 300 24 0.8 3 9 8.5 500 15/RSC (kΩ) Vdon Output Voltage Drop Ioslk Vol Vcl Iold Vid Iib Vith Viths R id Iilk Output Leakage Current Low State Out Voltage Internal Voltage Clamp (VS - VO) Open Load Detection Current Common Mode Input Voltage Range (Operative) Input Bias Current Input Threshold Voltage Input Threshold Hysteresis Voltage Diff. Input Resistance Input Offset Current VS = 9.5 to 35V; RL = 2Ω 5kΩ < RSC < 30kΩ 0 < RSC < 5kΩ Iout = 2.0A Tj = 25°C Tj = 125°C Iout = 2.5A Tj = 25°C Tj = 125°C Vi = Vil ; Vo = 0V Vi = Vil ; RL = ∞ IO = 1A Single Pulsed: Tp = 300µs Vi = Vih; Tamb = 0 to +85°C VS = 18 to 35V Vi = –7 to 15V; –In = 0V V+In > V–In V+In > V–In 0 < +In < +16V ; –In = 0V –7 < +In < 0V ; –In = 0V V+In = V–In 0V < Vi V–In) AC OPERATION (pin numbering referred to Multiwatt package) Symbol tr - tf td dV/dt tON tOFF fmax Pin 9 vs 4 9 vs 3 9, 11 7 Parameter Rise or Fall Time Delay Time Slew Rate (Rise and Fall Edge) On time during Short Circuit Condition Of time during hort Circuit Condition Maximum Operating Frequency 50pF