AN44069A-VF Bipolar Motor Driver - Equivalent & Substitute Parts

Part Overview

The AN44069A-VF is a bipolar motor driver IC manufactured by Panasonic Electronic Components, designed for stepper motor control applications. This fully integrated power management IC combines control and power stage functionality in a 28-HSOP package with integrated heat tabs. The device operates from a 4.5V to 5.5V supply and supports load voltages from 16V to 34V, delivering 1.5A output current with configurable step resolution (1, 1/2, 1/8, 1/16).

The AN44069A-VF is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this motor driver architecture.

Key Parameters

Parameter	Value
Manufacturer	Panasonic Electronic Components
Part Number	AN44069A-VF
Product Status	Obsolete
Motor Type	Bipolar Stepper
Function	Driver - Fully Integrated, Control and Power Stage
Output Configuration	Half Bridge (4)
Interface	Parallel
Technology	Power MOSFET
Step Resolution	1, 1/2, 1/8, 1/16
Current - Output	1.5A
Voltage - Supply	4.5V ~ 5.5V
Voltage - Load	16V ~ 34V
Operating Temperature	-20°C ~ 120°C (TJ)
Package / Case	28-BSOP (0.327", 8.30mm Width) + 2 Heat Tabs
Mounting Type	Surface Mount
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the AN44069A-VF is determined by the following critical parameters:

Motor driver type (bipolar stepper), output configuration (half bridge with 4 outputs), interface type (parallel control), and power MOSFET technology form the functional baseline. Supply voltage range compatibility is essential: the AN44069A-VF operates at 4.5V to 5.5V, which restricts substitutes to devices supporting this narrow supply window or overlapping ranges. Load voltage capability (16V to 34V) and output current rating (1.5A) define the power delivery requirements. Step resolution support (1, 1/2, 1/8, 1/16) indicates the microstepping capability needed for equivalent functionality. Package type (28-HSOP surface mount with heat tabs) and mounting compatibility are mechanical constraints. Operating temperature range (-20°C to 120°C) and moisture sensitivity (MSL 1) establish environmental and handling specifications.

Substitute parts are grouped into two categories:

Category A - Direct Supply Voltage Match (4.5V to 5.5V): Parts with supply voltage ranges that include or closely overlap the AN44069A-VF specification, maintaining the same control voltage domain.

Category B - Extended Supply Voltage Range: Parts with broader supply voltage specifications that encompass the AN44069A-VF operating window but support additional voltage ranges, suitable for designs with flexible supply architecture.

Parameter Comparison

Parameter	AN44069A-VF	BD6290EFV-E2	BD6384EFV-E2	DRV8886ATPWP	TB62213AFG,C8,EL	TB62213AFNG,C8,EL	TB62213AFTG,C8,EL	TB62213AHQ,8	TB62215AFNG,C8,EL	TB62215AFTG,C8,EL	TB62215AHQ,8
Manufacturer	Panasonic	Rohm	Rohm	Texas Instruments	Toshiba	Toshiba	Toshiba	Toshiba	Toshiba	Toshiba	Toshiba
Motor Type	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar	Bipolar
Output Configuration	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)	Half Bridge (4)
Interface	Parallel	Parallel	Parallel	Logic	Parallel	Parallel	Parallel	Parallel	Parallel	Parallel	Parallel
Technology	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET	Power MOSFET
Step Resolution	1, 1/2, 1/8, 1/16	1, 1/2, 1/4	-	1 ~ 1/16	1, 1/2, 1/4	1, 1/2, 1/4	1, 1/2, 1/4	1, 1/2, 1/4	1, 1/2, 1/4	1, 1/2, 1/4	1, 1/2, 1/4
Current - Output	1.5A	800mA	1.2A	1.4A	2.4A	2.4A	2.4A	2.4A	3A	3A	3A
Voltage - Supply	4.5V ~ 5.5V	19V ~ 28V	3V ~ 5.5V	8V ~ 37V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V	4.75V ~ 5.25V
Voltage - Load	16V ~ 34V	19V ~ 28V	16V ~ 28V	8V ~ 37V	10V ~ 38V	10V ~ 38V	10V ~ 38V	10V ~ 38V	10V ~ 38V	10V ~ 38V	10V ~ 38V
Operating Temperature	-20°C ~ 120°C	-25°C ~ 150°C	-25°C ~ 150°C	-40°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C	-20°C ~ 150°C
Package / Case	28-BSOP + 2 Heat Tabs	24-VSSOP Exposed Pad	40-VSSOP Exposed Pad	24-PowerTSSOP	28-BSOP + 2 Heat Tabs	48-TFSOP Exposed Pad	48-VFQFN Exposed Pad	25-SIP Formed Leads	48-TFSOP Exposed Pad	48-VFQFN Exposed Pad	25-SIP Formed Leads
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Through Hole	Surface Mount	Surface Mount	Through Hole
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	Active	Active
RoHS Status	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)	3 (168 Hours)	3 (168 Hours)	1 (Unlimited)

Engineering Selection Recommendations

Primary Substitutes - Supply Voltage Compatible (4.5V to 5.5V Range):

TB62213AFG,C8,EL and TB62215AFNG,C8,EL represent the closest functional equivalents. Both are active Toshiba products with identical supply voltage specifications (4.75V to 5.25V), matching the AN44069A-VF control voltage domain. TB62213AFG,C8,EL maintains the original 28-HSOP package with heat tabs and MSL 1 rating, providing direct mechanical and environmental compatibility. TB62215AFNG,C8,EL offers higher output current (3A versus 1.5A) in a 48-HTSSOP package, suitable for designs requiring increased drive capability. Both support step resolution of 1, 1/2, 1/4 and load voltages from 10V to 38V, encompassing the AN44069A-VF load range. ROHS3 compliance and active product status ensure long-term availability and regulatory alignment.

Secondary Substitutes - Extended Supply Voltage Range:

BD6384EFV-E2 (Rohm) operates from 3V to 5.5V, overlapping the AN44069A-VF supply window while extending to lower voltages. Output current is 1.2A, slightly below the original 1.5A specification. The 40-HTSSOP package differs mechanically from the original 28-HSOP. DRV8886ATPWP (Texas Instruments) supports 8V to 37V supply with 1.4A output current and step resolution to 1/16, matching the AN44069A-VF microstepping capability. This device uses a Logic interface rather than Parallel, requiring control signal adaptation. Operating temperature extends to -40°C, exceeding the original specification.

Package-Specific Alternatives:

TB62213AHQ,8 and TB62215AHQ,8 are through-hole 25-HZIP packages for applications requiring traditional PCB mounting. Both maintain 4.75V to 5.25V supply compatibility and MSL 1 rating. TB62213AHQ,8 delivers 2.4A output; TB62215AHQ,8 delivers 3A output.

Compliance and Availability:

All recommended substitutes carry ROHS3 compliance and active product status, ensuring regulatory conformance and supply chain continuity. Toshiba TB62213 and TB62215 series parts demonstrate highest inventory availability (777 to 1077 units) and direct functional alignment with the obsolete AN44069A-VF.

Frequently Asked Questions (FAQ)

Q: Can BD6290EFV-E2 replace AN44069A-VF directly?

A: No. BD6290EFV-E2 operates at 19V to 28V supply voltage, outside the AN44069A-VF specification of 4.5V to 5.5V. This device is designed for higher voltage applications and is not compatible with the original control voltage domain.

Q: What is the key difference between TB62213 and TB62215 series?

A: Both series support identical supply voltage (4.75V to 5.25V) and load voltage (10V to 38V) ranges. The primary difference is output current: TB62213 delivers 2.4A, while TB62215 delivers 3A. Step resolution support is identical (1, 1/2, 1/4). Selection depends on motor current requirements.

Q: Is DRV8886ATPWP a suitable replacement?

A: DRV8886ATPWP is functionally compatible for bipolar stepper motor control with superior step resolution (1 to 1/16). However, it uses a Logic interface instead of Parallel, requiring control signal redesign. Supply voltage range (8V to 37V) encompasses but exceeds the AN44069A-VF specification. This substitute is appropriate for designs with flexible supply architecture and control signal adaptation capability.

Q: Why do some substitutes have MSL 3 instead of MSL 1?

A: MSL (Moisture Sensitivity Level) indicates moisture absorption during storage. MSL 1 (unlimited shelf life) provides greater handling flexibility than MSL 3 (168-hour limit). For applications with extended storage or high-humidity environments, TB62213AFG,C8,EL or TB62213AHQ,8 (MSL 1) are preferred. MSL 3 parts require controlled storage conditions and baking before reflow soldering.

Q: Can I use a substitute with higher output current than the original?

A: Yes. TB62213 series (2.4A) and TB62215 series (3A) deliver higher output current than the AN44069A-VF (1.5A). Higher current capability is backward compatible with lower-current motor designs. Verify that PCB thermal design and power dissipation handling accommodate the increased current rating.

Q: What package options are available for surface mount applications?

A: Surface mount options include 28-BSOP with heat tabs (TB62213AFG,C8,EL), 24-HTSSOP (BD6290EFV-E2, DRV8886ATPWP), 40-HTSSOP (BD6384EFV-E2), 48-HTSSOP (TB62213AFNG,C8,EL, TB62215AFNG,C8,EL), and 48-QFN (TB62213AFTG,C8,EL, TB62215AFTG,C8,EL). Package selection depends on PCB layout constraints and thermal management requirements.

Q: Are all substitutes ROHS3 compliant?

A: Yes. All active substitute parts listed carry ROHS3 compliance certification, meeting current environmental and regulatory requirements for electronic component manufacturing and use.

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