The TPS65530 is highly integrated 8-channel switching dc/dc converter, and seven channels have integrated power FET.
CH2/4 are configured for H bridge for buck-boost topology and single inductor supports. These channels achieve higher efficiency in spite of input/output voltage conditions.
CH7 has a brightness control and drives white LED by constant current. Also, CH7 supports overvoltage protection for open load.
CH1/2/3 has power ON/OFF sequence suitable for a digital still camera (DSC) system. CH5/6 has a power ON/OFF sequence, depending on the CCD. Power ON/OFF for CCD block (CH5/6) is selectable by the input voltage level at the SEQ56 pin. CH4 and CH7 have individual ON/OFF sequences.
The TPS65530 high switching frequency is achieved by an integrated power MOSFET switch. It reduces external parts dynamically. Shutdown current consumption is less than 1 µA as a typical value.
PowerPAD is a trademark of Texas Instruments.
| Regulated outputs (#) | 9 |
| Configurability | Hardware configurable, User programmable |
| Vin (min) (V) | 1.5 |
| Vin (max) (V) | 5.5 |
| Iout (max) (A) | 10 |
| Features | Power sequencing |
| Step-up DC/DC converter | 0 |
| Step-down DC/DC converter | 7 |
| Step-down DC/DC controller | 1 |
| Step-up DC/DC controller | 0 |
| LDO | 1 |
| Iq (typ) (mA) | 0.001 |
| Rating | Catalog |
| Switching frequency (max) (kHz) | 800 |
| Operating temperature range (°C) | -25 to 85 |
| Processor supplier | Generic |
| Processor name | Generic |
| Shutdown current (ISD) (typ) (µA) | 20 |
| Switching frequency (typ) (kHz) | 750 |
| VQFN (RSL) | 48 | 36 mm² 6 x 6 |
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