Data Sheet
MP6500 – 35V, 2.5A, STEP MOTOR DRIVER W/ INTERNAL CURRENT SENSE 
MP6500 Rev. 1.0  www.MonolithicPower.com  11 
6/22/2017  MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited. 
  © 2017 MPS. All Rights Reserved. 
BLOCK DIAGRAM 
Gate
Driver
Gate
Driver
Control
Logic
VREF
Int. VCC
LS Gate 
Drive V
Motor
Charge
Pump
CPA
CPB
VCP
AOUT1
AOUT2
BOUT1
BOUT2
ROSC
DIR
nENBL
MS1
MS2
nSLEEP
µC
VIN
MP6500
nFAULT
ISENSE
PWM 
Timer
UVLO
OVP 
OTS
VG
STEP
Curr.
Reg.
ISENSE
Curr.
Reg.
ISET
VIN
VIN
VIN
GND
Figure 1: Functional Block Diagram 










