Details, datasheet, quote on part number: MAX14914ATE+
CompanyMaxim Integrated Products
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Features, Applications

High-Side Switch with Settable Current-Limiting, Push-Pull Driver Option and Digital Input Configuration

The is a high-side/push-pull driver that operates as both an industrial digital output (DO) and an industrial digital input (DI). The MAX14914 is specified for operation with supplies to 40V. The high-side switch current is resistor settable from 135mA (min) to 1.3A (min). The high-side driver's on-resistance is 120m (typ) at 125C ambient temperature. Optional push-pull operation allows driving of cables and fast discharge of load capacitance. The output voltage is monitored and indicated through the DOI_LVL pin for safety applications. The MAX14914 complies with Type 1, Type 2, or Type 3 input characteristics when configured for DI operation.


Industrial Digital Outputs and Inputs Modules Configurable Digital Input/Output Motor Control Safety Systems

Ordering Information and Functional Diagram appears at end of data sheet.

Reduces Power and Heat Dissipation 240m (max) HS RON = 125C Accurate Short-Circuit Current Limit Accurate Internal Current Limiter for Types 1, Type 2, and Type 3 Digital Inputs Enhances System Robustness "Safe-Demagnetization" for Safe Turn-Off of Unlimited Inductance 60V Supply Tolerance Loss of GND Protection Thermal Shutdown Protection 2kV IEC 61000-4-5 Surge Protection 20kV IEC 61000-4-2 Air-Gap ESD Protection 7kV IEC 61000-4-2 Contact ESD Protection to +125C Ambient Operating Temperature Reduces BOM Count and PCB Space Small x 4mm TQFN Package Internal Clamps for Fast Inductive Load Turn-Off On-Chip 5V Regulator Provides Flexibility Configurable as a Digital Input or a High-Side or Push-Pull Digital Output Resistor Settable Current Limiting for the High-Side Switch to 40V Operating Supply Range Improves System Speed and Throughput Propagation Delay of Less Than 2s

VDD......................................................................... REGIN.........................-0.3V to lower of +65V and (VDD + 0.3V DOI (VDD < VDDOVLOTH)...............(VDD 49)V to (VDD + 0.3)V DOI (VDD > VDDOVLOTH)............................ -1V to (VDD -0.3V to lower of +6V and (REGIN + 0.3)V VL............................................................................. to +6V IN, PP, DIN_EN, FAULT, CLIM............................... to +6V DOI_LVL...................................................... -0.3V to (VL OV_VDD......................-0.3V to lower of +65V and (VDD + 0.3)V DOI Load Current.............................................. Internally Limited Continuous Current (any other terminal)....... to +100mA Continuous Power Dissipation (TA = +70C, derate 28.6mW/C above +70C.)........ 2280mW Inductive Demagnetization Energy (ILOAD < 0.6A)....... Unlimited Operating Temperature Range.......................... to +125C Junction Temperature........................................ Internally Limited Storage Temperature Range............................. to +150C Lead Temperature (Soldering, 10 sec)............................. +260C

Stresses beyond those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

TQFN16 Junction-to-Ambient Thermal Resistance (JA)...........35C/W Junction-to-Case Thermal Resistance (JC)...............2.7C/W

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer board. For detailed information on package thermal considerations, refer to

(VDD to +5.5V, RLIM to +125C, unless otherwise noted. Typical values are = +25C and VDD = +3.3V and = +5V, RLIM = 50k) (Note 2) SYMBOL CONDITIONS Operating Conditions Tolerant HS mode, PP = low, IN = VL, DOI high (no switching), no load, VL = REGIN, VDD 40V PP mode, PP = high, 10kHz switching, VL = REGIN, no load DI_EN = VL, REGIN = 40V VDD rising, = VL VDD falling, = 5V VDD rising, = 5V VDD falling, = 5V MIN TYP MAX mA UNITS V

Undervoltage-Lockout Threshold Undervoltage-Lockout Hysteresis VDD Overvoltage-Lockout Threshold VDD Overvoltage-Lockout Hysteresis VL Supply Voltage VL Supply Current VL POR Threshold

VL LOGIC INTERFACE SUPPLY 2.5 All logic inputs high or low, all outputs unloaded VL falling A V

(VDD to +5.5V, RLIM to +125C, unless otherwise noted. Typical values are = +25C and VDD = +3.3V and = +5V, RLIM = 50k) (Note 2) PARAMETER SYMBOL CONDITIONS HS mode, REGIN IN = VL, no load on DOI, no load PP = high, REGIN 40V, 10kHz switching, no load on DOI, no load on V5 DI_EN=VL, REGIN 40V HS Mode, REGIN IN = VL, no load on DOI PP Mode, REGIN = V5,10kHz switching, no load on DOI DI Mode, DI_EN = high, REGIN = V5 REGIN rising 0.45 V5 rising 20mA external load IN = high, IDOI PP = high, IN = low, IDOI = 100mA Relative to VDD, IDOI = 500mA, VVDD < VVDD_OVLO Relative to GND, IDOI = 500mA, VVDD_OVLO < VVDD <60V VDD IN = low, DI_EN = low, 0V< VDOI < VVDD VDD = X, DI_EN = low, 0V < VDOI < VVDD RLIM = 220k RLIM = 27k (Note 3) (Note A MIN TYP MAX UNITS 5V SUPPLY/LINEAR REGULATOR REGIN Current HS Mode REGIN Current PP Mode REGIN Current DI Mode IREGIN_ON_HS IREGIN_ON_PP IREGIN_ON_DI IV5HS V5 Supply Current IV5PP IV5DI REGIN UndervoltageLockout Threshold REGIN UndervoltageLockout Hysteresis VREG_UV VREG_UVHYST V5 IV5_CL RDOI_ON_HS VDOI_LOW mA

V5 Undervoltage-Lockout Threshold V5 Undervoltage-Lockout Hysteresis V5 Output Voltage V5 Current Limit

OUTPUT DRIVER CURRENT LIMITING (DOI) HS Current-Limit Minimum HS Current-Limit Maximum HS Current-Limit Offset Error HS Current-Limit Gain Error ICLIM_HS_MIN ICLIM_HS_MAX ICLIM_HS_OE ICLIM_HS_GE mA %


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