SPACE
The TPS6302x devices provide a power supply solution for products powered by either a two-cell or three-cell alkaline, NiCd or NiMH battery, a one-cell Li-ion or Li-polymer battery, supercapacitors or other supply rails. Output currents up to 3 A are supported. When using batteries, they can be discharged down to below 2 V. The buck-boost converter is based on a fixed frequency, pulse width modulation (PWM) controller using synchronous rectification to obtain maximum efficiency. At low load currents, the converter enters power save mode to maintain high efficiency over a wide load current range. The power save mode can be disabled, forcing the converter to operate at a fixed switching frequency. The maximum average current in the switches is limited to a typical value of 4 A. The output voltage is programmable using an external resistor divider, or is fixed internally on the chip. The converter can be disabled to minimize battery drain. During shutdown, the load is disconnected from the battery.
The TPS6302x devices operate over a free air temperature range of –40°C to 85°C. The devices are packaged in a 14-pin VSON package measuring 3 mm × 4 mm (DSJ).
PART NUMBER | OUTPUT VOLTAGE | PACKAGE |
---|---|---|
TPS63020 | Adjustable | VSON (14) |
TPS63021 | 3.3 V |
Changes from H Revision (August 2019) to I Revision
Changes from G Revision (March 2019) to H Revision
Changes from F Revision (March 2019) to G Revision
Changes from E Revision (May 2017) to F Revision
Changes from D Revision (October 2015) to E Revision
Changes from C Revision (February 2013) to D Revision
Changes from B Revision (August 2012) to C Revision
Changes from A Revision (December 2011) to B Revision
Changes from * Revision (April 2010) to A Revision
PIN | I/O | DESCRIPTION | |
---|---|---|---|
NAME | NO. | ||
EN | 12 | I | Enable input (1 enabled, 0 disabled), must not be left open |
FB | 3 | I | Voltage feedback of adjustable versions, must be connected to VOUT on fixed output voltage versions |
GND | 2 | – | Control / logic ground |
L1 | 8, 9 | I | Connection for inductor |
L2 | 6, 7 | I | Connection for inductor |
PG | 14 | O | Output power good (1 good, 0 failure; open-drain), can be left open |
PGND | – | Power ground | |
PS/SYNC | 13 | I | Enable / disable power save mode (1 disabled, 0 enabled, clock signal for synchronization), must not be left open |
VIN | 10, 11 | I | Supply voltage for power stage |
VINA | 1 | I | Supply voltage for control stage |
VOUT | 4, 5 | O | Buck-boost converter output |
Exposed Thermal Pad | – | The exposed thermal pad is connected to PGND. |