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| DRV8886AT Datasheet, PDF (25/40 Pages) Texas Instruments – 2-A Stepper Motor Driver With Integrated Current Sense and AutoTune Technology | |||
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www.ti.com
DRV8886AT
SLVSDO1 â JANUARY 2017
7.3.8 Charge Pump
A charge pump is integrated to supply a high-side N-channel MOSFET gate-drive voltage. The charge pump
requires a capacitor between the VM and VCP pins to act as the storage capacitor. Additionally a ceramic
capacitor is required between the CPH and CPL pins to act as the flying capacitor.
VM
VM
0.22 â¦F
VCP
CPH
0.022 â¦F
CPL
VM
Charge
Pump
Control
Figure 22. Charge Pump Block Diagram
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