OB90R64A2 In Stock

OB90R64A2 Arm Cortex-M0 Microcontroller

Name: OB90R64A2 Arm Cortex-M0 Microcontroller
Brand: On-Bright
SKU: OB90R64A2

The OB90R64A2 is a low-power, highly-integrated 32-bit MCU from On-Bright based on an Arm Cortex-M0 core running up to 50 MHz, with a built-in LDO for a wide 1.8~5.5V operating range. With a 12-bit ADC, analog comparators, and UART (RS-485 capable), it suits chargers/power, LED lighting, and networking control applications.

Core

Arm Cortex-M0

Max Frequency

50 MHz

Flash

64KB

SRAM

8KB

Features

Arm Cortex-M0, up to 50 MHz
64KB Flash, 8KB SRAM
Wide 1.8~5.5V supply (built-in LDO)
12-bit ADC (8-ch) + 3 analog comparators
2× UART (RS-485), 1× SPI, 1× I²C (FM+ 1Mbps)
4 timers + 6-channel PWM, LQFP32 / QFN32

Specifications

Core	Arm Cortex-M0
Max Frequency	50 MHz
Flash	64KB
SRAM	8KB
Supply Voltage	1.8V ~ 5.5V
Analog	12-bit ADC (8-ch), 3 comparators
Package	LQFP32, QFN32

Applications

MCU32-bitCortex-M0ArmLow Power

Order Info

Get a quote for this product within one business day.

Request Quote

On-Bright

China

Power Management & LED Lighting Driver ICs

View all On-Bright products → Official On-Bright site

OB90R64A2 — Frequently Asked Questions

Where can I buy OB90R64A2?

JLink Technology is an authorized On-Bright distributor serving Taiwan, Mainland China, and Hong Kong. Submit an RFQ for OB90R64A2 and we will respond with pricing and lead time within one business day.

Is OB90R64A2 in stock?

Stock and lead time for OB90R64A2 vary by quantity. Send us your required quantity via the RFQ form and we will confirm current availability and delivery schedule.

Can I get the OB90R64A2 datasheet and samples?

Yes. As an authorized On-Bright distributor, JLink Technology can provide the official OB90R64A2 datasheet, samples, and engineering support. Contact us to request them.

What is the minimum order quantity for OB90R64A2?

We support orders from prototype samples to mass production. Tell us your target volume in the RFQ and we will quote accordingly.

Related Products

OB2263 In Stock

OB2263 Current-Mode PWM Controller

The OB2263 is a current-mode PWM controller for offline flyback power supplies, ideal for chargers and adapters under 30W. The switching frequency is set by an external resistor, with comprehensive protections, EMI frequency-shuffling, and low standby power.

PWM ControllerAC/DCFlyback

Details Request Quote

OB3350 In Stock

OB3350 LED Backlight Driver IC

The OB3350 is a current-mode boost LED backlight driver providing stable constant-current drive for LCD monitor and TV backlighting. Fixed-frequency control with external PWM dimming and multiple built-in protections.

LED DriverBacklightBoost

Details Request Quote

OB2632Q In Stock

OB2632Q Quasi-Resonant Multi-Mode PWM Controller

The OB2632Q is a quasi-resonant (QR) multi-mode PWM controller designed for USB-PD fast-charge adapters, with a wide supply range covering the PD output voltage sweep. It automatically switches QR / PFM / CCM modes by load for efficiency and low EMI.

PWM ControllerUSB-PDFast Charge

Details Request Quote