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A-Star 32U4 Mini SV (ac02c)

Pololu item #: 3104
Brand: Pololu
Status: Discontinued 

This product has been discontinued.

This original version (ac02c) of the A-Star 32U4 Mini SV has been replaced by a newer version (ac02f) with an improved 5 V regulator that can deliver more current (up to 800 mA instead of 500 mA) and operates to 40 V instead of 36 V.

This original ac02c version of the A-Star 32U4 Mini SV is a programmable module based on the ATmega32U4 from Microchip (formerly Atmel) and featuring an on-board switching step-down regulator that allows it to be powered efficiently from a 5 V to 36 V supply. This product has been replaced by a newer ac02f version with an improved regulator that operates up to 40 V and can deliver more current.

Alternatives available with variations in these parameter(s): input voltage range Select variant…

 Description Specs (14) Pictures (11) Resources (24) FAQs (0) On the blog (6) 

Dimensions

Size: 0.7″ × 1.95″ × 0.23″1
Weight: 3.4 g2

General specifications

Processor: ATmega32U4 @ 16 MHz
RAM size: 2560 bytes
Program memory size: 32 Kbytes3
Motor channels: 0
User I/O lines: 26
Input voltage range: 5 V to 36 V (SV)
Minimum operating voltage: 5 V4
Maximum operating voltage: 36 V
Maximum output current: 500 mA5
Logic voltage: 5 V
Reverse voltage protection?: Y6
External programmer required?: N

Notes:

1
Without included optional headers. This measurement includes the USB Micro-B connector, which extends 0.05″ past the edge of the PCB.
2
Without included optional headers.
3
Note that 4 KB of the MCU's 32 KB of flash memory is used by the pre-installed USB bootloader. All 32 KB is available when programming via the ISP header rather than the bootloader.
4
For light loads. The regulator's dropout voltage increases approximately linearly with the load, from a few millivolts at no load up to around 0.6 V at 500 mA.
5
Available current depends on input voltage, current consumed by the board, ambient conditions, and regulator topology. See product documentation and performance graphs for details.
6
On Bat+ (LV, SV) or Bat- (ULV).

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