L6225N STMicroelectronics, L6225N Datasheet
L6225N
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L6225N
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L6225N Summary of contents
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... L6225 features a non-dissipative protection of the high side PowerMOSFETs and thermal shutdown. V BOOT OVER CURRENT A DETECTION 10V GATE LOGIC OVER CURRENT DETECTION B GATE LOGIC L6225 PowerSO20 SO20 (16+2+2) ORDERING NUMBERS: L6225N (PowerDIP20) L6225PD (PowerSO20) L6225D (SO20 BOOT OUT1 A OUT2 A 10V SENSE A BRIDGE OUT1 B OUT2 B SENSE ...
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L6225 ABSOLUTE MAXIMUM RATINGS Symbol Parameter V Supply Voltage S V Differential Voltage between OUT1 , OUT2 , SENSE OUT1 , OUT2 Bootstrap Peak Voltage BOOT V ,V Input ...
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THERMAL DATA Symbol R MaximumThermal Resistance Junction-Pins th-j-pins R Maximum Thermal Resistance Junction-Case th-j-case R th-j-amb1 MaximumThermal Resistance Junction-Ambient R th-j-amb1 Maximum Thermal Resistance Junction-Ambient R th-j-amb1 MaximumThermal Resistance Junction-Ambient R th-j-amb2 Maximum Thermal Resistance Junction-Ambient (1) Mounted on a ...
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L6225 PIN DESCRIPTION PACKAGE SO20/ PowerSO20 Name PowerDIP20 PIN # PIN # 1 6 IN1 2 7 IN2 3 8 SENSE 4 9 OUT1 10, 11, GND OUT1 8 13 SENSE 9 ...
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ELECTRICAL CHARACTERISTICS ( ° 48V, unless otherwise specified) amb s Symbol Parameter V Turn-on Threshold Sth(ON) V Turn-off Threshold Sth(OFF) I Quiescent Supply Current S T Thermal Shutdown Temperature j(OFF) Output DMOS Transistors R High-Side + ...
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L6225 ELECTRICAL CHARACTERISTICS (continued ° 48V, unless otherwise specified) amb s Symbol Parameter t Dead Time Protection Charge pump frequency Over Current Protection I Input Supply Overcurrent SOVER Protection Threshold R Open ...
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Figure 2. Overcurrent Detection Timing Definition I OUT I SOVER ON BRIDGE OFF V EN 90% 10% D02IN1399 t t OCD(ON) OCD(OFF) L6225 7/20 ...
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L6225 CIRCUIT DESCRIPTION POWER STAGES and CHARGE PUMP The L6225 integrates two independent Power MOS Full Bridges. Each Power MOS has an Rd- son=0.73ohm (typical value @25°C), with intrinsic fast freewheeling diode. Cross conduction protection is achieved using a dead ...
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NON-DISSIPATIVE OVERCURRENT PROTECTION The L6225 integrates an Overcurrent Detection Circuit (OCD). This circuit provides protection against a short circuit to ground or between two phases of the bridge. With this internal over current detection, the external cur- rent sense resistor ...
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L6225 Figure 8. Overcurrent Protection Waveforms I OUT I SOVER th(ON) V th(OFF) ON OCD OFF ON BRIDGE OFF t OCD(ON) 10/20 V EN(LOW DELAY EN(FALL) OCD(OFF) t D(OFF)EN DISABLE ...
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Figure 9. t versus C DISABLE Figure 10. t versus C DELAY 0.1 1 THERMAL PROTECTION ...
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L6225 APPLICATION INFORMATION A typical application using L6225 is shown in Fig. 11. Typical component values for the application are shown in Table 2. A high quality ceramic capacitor in the range of 100 to 200 nF should be placed ...
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PARALLELED OPERATION The outputs of the L6225 can be paralleled to increase the output current capability or reduce the power dissi- pation in the device at a given current level. It must be noted, however, that the internal wire bond ...
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L6225 Figure 13. Parallel connection with lower Overcurrent Threshold + 8-52V DC POWER GROUND - SIGNAL GROUND LOAD It is also possible to parallel the four Half Bridges to obtain a simple Half Bridge as ...
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OUTPUT CURRENT CAPABILITY AND IC POWER DISSIPATION In Fig. 15 and Fig. 16 are shown the approximate relation between the output current and the IC power dissipa- tion using PWM current control driving two loads, for two different driving types: ...
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L6225 Figure 17. Mounting the PowerSO package. Slug soldered to PCB with dissipating area Figure 18. PowerSO20 Junction-Ambient thermal resistance versus on-board copper area. º Figure ...
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DIM. MIN. TYP. MAX. MIN. A 3.6 a1 0.1 0.3 0.004 a2 3 0.1 0.000 b 0.4 0.53 0.016 c 0.23 0.32 0.009 D (1) 15.8 16 0.622 D1 9.4 9.8 0.370 E 13.9 14.5 0.547 e ...
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L6225 mm DIM. MIN. TYP. MAX. a1 0.51 0.020 B 0.85 1.40 0.033 b 0.50 b1 0.38 0.50 0.015 D 24.80 E 8.80 e 2.54 e3 22.86 F 7.10 I 5.10 L 3.30 Z 1.27 18/20 inch MIN. TYP. MAX. ...
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DIM. MIN. TYP. MAX. MIN. A 2.35 2.65 0.093 A1 0.1 0.3 0.004 B 0.33 0.51 0.013 C 0.23 0.32 0.009 D 12.6 13 0.496 E 7.4 7.6 0.291 e 1. 10.65 0.394 h 0.25 0.75 0.010 ...
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... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics ...