Commit 13d5f311 authored by Daniel Gröber's avatar Daniel Gröber
Browse files

Add H-Bridge section to design

parent 87ca42ac
......@@ -13,7 +13,7 @@
*** FXOS8700CQ <2€ -- 6-Axis Sensor with Integrated Linear Accelerometer and Magnetometer
http://cache.freescale.com/files/sensors/doc/data_sheet/FXOS8700CQ.pd
http://cache.freescale.com/files/sensors/doc/data_sheet/FXOS8700CQ.pdf
** µC
......@@ -30,6 +30,7 @@
1x UART/SPI/TWI to (optional) CHIP board
1x DAC for servo
5 + 4 + 2 + 1 + 1 + 1 = 14 pins minimum
*** STM32F042K4 ~2.5€ -- Cortex-M0, 16K Flash, 48 MHz, USB FS
......@@ -59,3 +60,22 @@
*** Atmel SAM series
- looks too expensive, couldn't find any for <5€
** H-Bridge
- Requirements
2x Full H-Bridge
~500mA-1A sustained
6A when Stalled (current limiting)
- Application Notes
Understanding Motor Driver Current Ratings
http://www.ti.com/lit/an/slva505/slva505.pdf
Calculating Motor Driver Power Dissipation
http://www.ti.com/lit/an/slva504/slva504.pdf
*** DRV8833 ~2.5€ -- 2A Dual, Current limiting, PWM Ctrl (16 pin SOCI)
*** MC33932/MC34932 ~5-12€ -- 5A Dual H-Bridge (54 pin SOCI)
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