ZHCS389C June 2011 – December 2022 DRV8662
PRODUCTION DATA
For this example, use the parameters shown in Table 8-3.
| DESIGN PARAMETER | EXAMPLE VALUE |
|---|---|
| VDD | 3.0V – 5.5V |
| Boost Converter | 20-105V |
| Output Voltage | 2 x Boost Converter (Vpp) |
| Differential Input Voltage (IN+, IN-) | 1.8Vp PWM |
Table 8-4 contains a list of components required for configuring the DRV8662. The components labeled “Standard” can be used “as-is”; and, the components labeled “Configure” require the designer to evaluate specific system requirements.
| COMPONENT | DESCRIPTION | RECOMMENDED VALUE | UNIT | USE |
|---|---|---|---|---|
| CVDD | VDD bypass capacitor | 0.1 | μF | Standard |
| CPUMP | Voltage pump capacitor | 0.1 | μF | Standard |
| CIN+ / CIN- | IN+ / IN- AC coupling capacitors | 1 | μF | Standard |
| REXT | Boost current limit resistor | See Programing the Boost Current Limit | Ω | Configure |
| CPVDD | Boost converter output capacitor | See Boost Capacitor Selection | μF | Configure |
| L | Boost converter inductor | See Inductor Selection | μH | Configure |
| R1 | Boost converter high-side feedback resistor | See Programming the Boost Voltage | Ω | Configure |
| R2 | Boost converter low-side feedback resistor | SeeProgramming the Boost Voltage | Ω | Configure |