MAX14872ETC+T by Analog Devices

Compact 4.5V to 36V Full-Bridge DC Motor Drivers

Status: Active
Series: MAX14872
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MAX14870/MAX14872 motor drivers provide a small, low-power and simple solution for driving and controlling brushed DC motors and relays with voltages between 4.5V and 36V. Very low driver on-resistance reduces power dissipation. These drivers feature a charge-pump-less design for reduced external components and low supply current. Integrated fast-decay current regulation allows user-adjustable peak startup motor currents and requires minimal external components. A separate voltage-sense input (SNS) reduces current sensing errors due to parasitic trace resistance. The MAX14870/MAX14872 features shoot-through protection and internal free-wheeling diodes that absorb inductive motor currents. Driver outputs are short-circuit-protected from shorts to ground, to the supply, and between M1 and M2. An active-low FAULT output signals thermal overload and overcurrents during fault conditions. The MAX14870 has PWM and direction-control inputs, while the MAX14872 has forward and reverse inputs for direction control. See the Function Tables in the data sheet. The MAX14870 and MAX14872 are available in a 12-pin (3mm x 3mm) TDFN-EP package and operate over the -40°C to +85°C temperature range.

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Prices starting from US$2.57

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Features

Small Package Handles High Power and Reduces Footprint Circuit Size Up to 2.5A Peak Motor Current Space-Saving TDFN-EP (3mm x 3mm) Package Flexible 4.5V–36V Supply Enables Longer Runtime on Batteries
Up to 2.5A Peak Motor Current
Space-Saving TDFN-EP (3mm x 3mm) Package
Flexible 4.5V–36V Supply Enables Longer Runtime on Batteries
Low Power Consumption Runs Cooler and Longer 280mΩ (typ) Total Bridge On-Resistance 1mA (typ) Supply Current at 30kHz/24V 10µA (max) Standby Current at 12V
280mΩ (typ) Total Bridge On-Resistance
1mA (typ) Supply Current at 30kHz/24V
10µA (max) Standby Current at 12V
Simplified Designs Reduces Time to Market Charge-Pump-Less Architecture Current Regulation Only Requires a Sense Resistor Current-Sense Input Simplifies PCB Layout
Charge-Pump-Less Architecture
Current Regulation Only Requires a Sense Resistor
Current-Sense Input Simplifies PCB Layout
Integrated Protection Provides Robust Driving Solution Short-Circuit-Protected Drivers Thermal-Shutdown Undervoltage Lockout Diagnostic Active-Low FAULT Output -40°C to +85°C Temperature Range
Short-Circuit-Protected Drivers
Thermal-Shutdown Undervoltage Lockout
Diagnostic Active-Low FAULT Output
-40°C to +85°C Temperature Range

Specifications

Peak Motor Current (A) 2.5
VSUPPLY (V) (min) 4.5
VSUPPLY (V) (max) 36
Total RON (mΩ) (typ) 410
ISUPPLY (mA) (typ) 1
ICC (Shutdown) (µA) (max) 10
Direction Control FWD/REV
Current Regulation FastInternal
Internal CR Reference Yes
Oper. Temp. (°C) -40 to +85
Package/Pins TDFN/12
BudgetaryPrice (See Notes) 1.85

MAX14872ETC+T Semiconductors - ICs by Analog Devices

MOTOR DRIVER DC BRUSHED TDFN-12

Semiconductors - ICs
> Power Management ICs - PMIC
> Drivers & Controllers
> Motor Drivers / Controllers
Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock
The MAX14870/MAX14872 motor drivers provide a small, low-power and simple solution for driving and controlling brushed DC motors and relays with voltages between 4.5V and 36V. Very low driver on-resistance reduces power dissipation. These drivers feature a charge-pump-less design for reduced external components and low supply current. Integrated fast-decay current regulation allows user- adjustable peak startup motor currents and requires mini- mal external components. A separate voltage-sense input (SNS) reduces current sensing errors due to parasitic trace resistance. The MAX14870/MAX14872 features shoot-through protec- tion and internal free-wheeling diodes that absorb inductive motor currents. Driver outputs are short-circuit-protected from shorts to ground, to the supply, and between M1 and M2. An active-low FAULT output signals thermal overload and overcurrents during fault conditions. The MAX14870 has PWM and direction-control inputs, while the MAX14872 has forward and reverse inputs for direction control. See the Function Tables. The MAX14870/MAX14872 are available in a 12-pin (3mm x 3mm) TDFN-EP package and operate over the -40°C to +85°C temperature range.

Specifications

Motor Type DC Brush
No. of Outputs 2Outputs
Output Current 2.5A
Output Voltage -
Driver Case Style TDFN
No. of Pins 12Pins
Supply Voltage Min 4.5V
Supply Voltage Max 36V
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant To Be Advised
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

4.5-36V DC Brushed Motor Drive | Analog Devices
Motor Driver, Dc Brushed, Tdfn-12 | Newark Electronics
MOTOR DRIVER, DC BRUSHED, TDFN-12 | element14

Frequently Asked Questions

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Is the MAX14872ETC+T RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX14872ETC+T .

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