MX74610T
Ideal Diode ControllerThe MX74610T is a ideal diode controller from MaxLinear. View the full MX74610T datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
MX74610T shares its datasheet with MX74610, whose page lists every part number it covers.
Official MX74610T datasheet (PDF) — the source this page was extracted from.
MX74610T Key Specifications
| Parameter | Value |
|---|---|
| ESD HBM | ±2000V |
| Gate Pull-Up Current | 9.4 µA (typ) |
| Vcap Lower Threshold | 5.15V (typ) |
| Vcap Upper Threshold | 6.3V (typ) |
| Operating Temperature | -40°C to 125°C |
| Duty Cycle (MOSFET ON) | 98% at 25°C, 92% at 125°C |
| Gate-Source Zener Clamp | 11.5V |
| Maximum Reverse Voltage | 60V |
| Reverse Leakage Current | 60 µA (typ), 110 µA (max) at -13.5V |
| Recommended Vcap Capacitor | 220nF to 4.7µF, X7R/COG, ≥16V |
| Reverse Detection Threshold | -20 mV (typ) |
| Charge Pump Charging Current | 46 µA (typ) |
| Quiescent Current (Iq To GND) | 0 µA (zero Iq) |
| Cathode To Anode Voltage (2ms) | -3V to 60V |
| Reverse Polarity Response Time | 2.2 µs (typ), 5 µs (max) |
| Gate Pull-Down Current (Reverse) | 160 mA (typ) |
| Thermal Resistance RθJA (SOT-23-6) | 108.1 °C/W |
| Cathode To Anode Voltage (Continuous) | -3V to 55V |
| Minimum Startup Voltage (Anode To Cathode) | 0.48V |
MX74610T Overview
Part: MX74610T (MX74610 family)
Type: Ideal Diode / Reverse Polarity Protection Controller (N-Channel MOSFET)
Description: Zero-Iq smart diode controller that drives an external N-channel MOSFET for reverse polarity protection, with 55 V continuous cathode-to-anode operation, about 2.2 μs typical reverse response and about 98% MOSFET on duty cycle.
Operating Conditions:
- Cathode to anode voltage: 55 V (max)
- Operating temperature: -40 to 125 °C
- Charge pump capacitor between VCAPL and VCAPH: 220 nF to 4.7 μF, X7R/COG, 16 V or higher recommended
Absolute Maximum Ratings:
- Cathode to anode: -3 to 55 V continuous; -3 to 60 V for 2 ms
- VCAPH to VCAPL: -0.3 to 7 V
- Anode to VCAPL: -0.3 to 3 V
- Gate drive, gate pull down to VCAPL: -0.3 to 7 V
- Junction temperature: 150 °C
- Storage temperature: -50 to 150 °C
- Soldering temperature (10 s): 260 °C
- ESD HBM: ±2000 V
Key Specs:
- Minimum startup voltage across MOSFET body diode: 0.48 V (VGS = 0 V)
- Vcap upper / lower thresholds: 6.3 V / 5.15 V (typ)
- Gate pull-up current: 9.4 μA typ (8.9 μA min, VGate to Anode = 2 V)
- Gate pull-down current during forward voltage: 6.8 μA typ (VGate to Anode = 4 V)
- Gate pull-down current on reverse voltage: 160 mA typ
- Charge pump charging current: 46 μA typ (40 μA min, VAnode to Cathode = 0.55 V)
- Vcap current consumption with MOSFET on: 0.95 μA typ (Vcap = 6.6 V)
- Turn-off time on reverse: 2.2 μs typ, 5 μs max (VAnode to Cathode = -20 mV, Cgate = 4 nF)
- Duty cycle: 98% max at 25 °C; 92% max at 125 °C (Iload = 3 A)
- Reverse leakage current: 60 μA typ, 110 μA max (VAnode to Cathode = -13.5 V)
- Quiescent current to GND: 0 μA
- Anode pin current: 30 μA typ (VAnode-Cathode = 0.3 V)
- Package thermal resistance RθJA: 108.1 °C/W (SOT-23-6)
Features:
- Maximum reverse voltage of 60 V
- No positive voltage limitation on the anode terminal
- Charge pump gate driver for an external N-channel MOSFET
- Lower power dissipation than Schottky diode or PFET solutions
- Low reverse leakage current
- Fast reverse polarity response (about 2 μs)
- Usable in OR-ing applications
- No peak current limit
- Internal 11.5 V gate-to-source Zener clamp
- Not referenced to ground (zero Iq)
Applications:
- Infotainment systems
- Power tools (industrial)
- Transmission control unit (TCU)
- Battery OR-ing
- PV box
Package:
- SOT23-6L (MX74610T), MPQ 3000 pcs
- MSOP8 (MX74610SS)
MX74610T Features
- ♦ Maximum reverse voltage of 60V
- ♦ No Positive Voltage limitation to Anode Terminal
- ♦ Charge Pump Gate Driver for External N-Channel MOSFET
- ♦ Lower Power Dissipation than Schottky Diode / PFET Solutions
- ♦ Low Reverse Leakage Current
- ♦ Fast 2μ s Response to Reverse Polarity
- ♦ -40° C to +125° C Operating Ambient Temperature
- ♦ Can be Used in OR-ing Applications
- ♦ No Peak Current Limit
- ♦ 6-Pin SOT23-6L and 8-pin MSOP8
MX74610T Applications
- ♦ Infotainment Systems
- ♦ Power Tools (Industrial)
- ♦ Transmission Control Unit (TCU)
- ♦ Battery OR-ing Applications
- ♦ PV BOX
MX74610T Electrical Characteristics
( VAnode - Cathode = 0.55V , TA = 25°C, unless otherwise noted )
| Symbol | Parameter | Test condition | Min | Typ. | Max | Unit |
|---|---|---|---|---|---|---|
| V Anode to Cathode | Minimum startup voltage across external MOSFET's body diode | External MOSFETV GS = 0V | 0.48 | V | ||
| V cap Threshold | Charge pump capacitor drive thresholds | V cap Upper Threshold | 6.3 | V | ||
| V cap Threshold | Charge pump capacitor drive thresholds | V cap Lower Threshold | 5.15 | V | ||
| I Gate up | Gate drive pull up current | V Gate to Anode = 2V | 8.9 | 9.4 | μA | |
| I Gate down | Gate drive pull down current during forward voltage | V Gate to Anode = 4V | 6.35 | 6.8 | μA | |
| I Gate pull down | Gate drive pull down current when reverse voltage is sensed | V Gate Pull Down =V Anode + 2V | 160 | mA | ||
| I Charge Current | Charging current for the charge pump capacitor | V Anode to Cathode = 0.55V | 40 | 46 | μA | |
| I Discharge Current | V cap current consumption to power the controller when MOSFET is ON | V cap = 6.6V | 0.95 | μA | ||
| T Recovery | Time to shut off MOSFET when voltage is reversed (Equivalent to diode reverse recovery time) | V Anode to Cathode = -20mV C gate = 4nF | 2.2 | 5 | us | |
| D | Duty cycle | I load = 3A, T A = 25° C | 98% | |||
| D | Duty cycle | I load = 3A, T A = 125° C | 92% | |||
| I LKG | Reverse leakage current | V Anode to Cathode = -13.5V | 60 | 110 | μA | |
| I q | Quiescent current to GND | 0 | μA | |||
| I Anode | Current into Anode pin | Current into Anode pin whenV Anode - Cathode = 0.3V | 30 | μA |
( VAnode - Cathode = 0.55V , TA = 25°C, unless otherwise noted )
MX74610T Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Cathode to Anode (for a 2ms time duration) | -3 to 60V |
| Cathode to Anode (continuous) | -3 to 55V |
| VCAPH to VCAPL | -0.3 to 7V |
| Anode to VCAPL | -0.3 to 3V |
| Gate drive, gate pull down to VCAPL | -0.3 to 7V |
| Junction temperature | 150°C |
| Storage temperature, Tstg | -50 to 150°C |
| Leading temperature ( soldering, 10s ) | 260°C |
| ESD Susceptibility HBM | ±2000V |
Stresses beyond those listed in Absolute Maximum Ratings may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect reliability. Functional operation of the device at any conditions beyond those indicated in the Recommended Operating Conditions section is not implied.
MX74610T Recommended Operating Conditions
| Symbol | Range |
|---|---|
| Cathode To Anode | 55V(max) |
| Operating temperature | -40~125°C |
MX74610T Typical Application
MX74610T Package Information
SOT23-6 for MX74610T
| SYMBOL | MILLIMETERS - MIN | MILLIMETERS - NOM | MILLIMETERS - MAX | INCHES - MIN | INCHES - NOM | INCHES - MAX |
|---|---|---|---|---|---|---|
| H | 1.45 | 0.057 | ||||
| H1 | 0.04 | 0.15 | 0.0016 | 0.0059 | ||
| H2 | 1.00 | 1.10 | 1.20 | 0.039 | 0.043 | 0.047 |
| H3 | 0.55 | 0.65 | 0.75 | 0.022 | 0.026 | 0.029 |
| D | 2.72 | 2.92 | 3.12 | 0.107 | 0.115 | 0.123 |
| E | 2.60 | 2.80 | 3.00 | 0.102 | 0.110 | 0.118 |
| E1 | 1.40 | 1.60 | 1.80 | 0.055 | 0.063 | 0.071 |
| e | 0.95BSC | 0.95BSC | 0.95BSC | 0.037BSC | 0.037BSC | 0.037BSC |
| e1 | 1.90BSC | 1.90BSC | 1.90BSC | 0.074BSC | 0.074BSC | 0.074BSC |
| L | 0.30 | 0.60 | 0.012 | 0.024 | ||
| θ | 0 | 8° | 0 | 8° |
SOT23-6 for MX74610T
MX74610SS
| SYMBOL | MILLIMETERS - MIN | MILLIMETERS - NOM | MILLIMETERS - MAX | INCHES - MIN | INCHES - NOM | INCHES - MAX |
|---|---|---|---|---|---|---|
| A | 0.28 | 0.33 | 0.38 | 0.011 | 0.013 | 0.015 |
| A1 | 0.13 | 0.2 | 0.005 | 0.008 | ||
| A2 | 0.445 | 0.546 | 0.648 | 0.018 | 0.021 | 0.026 |
| A3 | 0.95BSC | 0.95BSC | 0.95BSC | 0.037BSC | 0.037BSC | 0.037BSC |
| B | 0.65BSC | 0.65BSC | 0.65BSC | 0.026BSC | 0.026BSC | 0.026BSC |
| C | 2.9 | 3.0 | 3.1 | 0.114 | 0.118 | 0.122 |
| D | 4.8 | 4.9 | 5.0 | 0.189 | 0.193 | 0.197 |
| D1 | 2.9 | 3.0 | 3.1 | 0.114 | 0.118 | 0.122 |
| E | 0.86 | 1.04 | 0.034 | 0.041 | ||
| E1 | 0.81 | 0.91 | 0.032 | 0.036 | ||
| θ | 0 | - | 8° | 0 | 8 ° |
MX74610SS
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