The TPS22990 product family consists of two devices: TPS22990 and TPS22990N. Each device is a 3.9-mΩ, single-channel load switch with a controlled and adjustable turn on and integrated PG indicator.
The devices contain an N-channel MOSFET that can operate over an input voltage range of 0.6 V to 5.5 V and can support a maximum continuous current of
10 A. The wide input voltage range and high current capability enable the devices to be used across multiple designs and end equipments. 3.9-mΩ On-resistance minimizes the voltage drop across the load switch and power loss from the load switch.
The controlled rise time for the device greatly reduces inrush current caused by large bulk load capacitances, thereby reducing or eliminating power supply droop. The adjustable slew rate through CT provides the design flexibility to trade off inrush current and power up timing requirements. Integrated PG indicator notifies the system about the status of the load switch to facilitate seamless power sequencing.
The TPS22990 has an optional 218-Ω On-chip resistor for quick discharge of the output when switch is disabled to avoid any unknown state caused by floating supply to the downstream load.
The TPS22990 is available in a small, space-saving
3-mm × 2-mm 10-SON package with integrated thermal pad allowing for high power dissipation. The device is characterized for operation over the free-air temperature range of –40°C to +105°C.
PART NUMBER | PACKAGE | BODY SIZE (NOM) |
---|---|---|
TPS22990 TPS22990N |
WSON (10) | 3.00 mm × 2.00 mm |
Changes from B Revision (September 2016) to C Revision
Changes from A Revision (July 2016) to B Revision
Changes from * Revision (May 2016) to A Revision
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | CT | O | VOUT slew rate control |
2 | NC | — | Not internally connected |
3 | VIN | I | Switch input. Bypass this input with a ceramic capacitor to GND |
4 | VBIAS | P | Bias voltage. Power supply to the device |
5 | ON | I | Active high switch control input. Do not leave floating |
6 | GND | GND | Device ground |
7 | PG | O | Power good. Active high, open drain output. Tie to GND if not used |
8 | VOUT | O | Switch output |
9 | |||
10 | |||
— | VIN (Thermal Pad) | I | Switch input. VIN and thermal pad (exposed center pad) to alleviate thermal stress. See the Layout section for layout guidelines |
MIN | MAX | UNIT | ||
---|---|---|---|---|
VIN | Input voltage | –0.3 | 6 | V |
VBIAS | Bias voltage | –0.3 | 6 | V |
VOUT | Output voltage | –0.3 | 6 | V |
VON | ON voltage | –0.3 | 6 | V |
VPG | PG voltage | –0.3 | 6 | V |
VCT | CT voltage | –0.3 | 15 | V |
IMAX | Maximum continuous switch current at TJ = 125°C | 10 | A | |
IPLS | Maximum pulsed switch current, pulse < 300 µs, 2% duty cycle | 12 | A | |
TJ | Maximum junction temperature | 125 | °C | |
TLEAD | Maximum lead temperature (10-s soldering time) | 300 | °C | |
Tstg | Storage temperature | –65 | 150 | °C |
VALUE | UNIT | |||
---|---|---|---|---|
V(ESD) | Electrostatic discharge | Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) | ±2000 | V |
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) | ±1000 |
MIN | MAX | UNIT | |||
---|---|---|---|---|---|
VIN | Input voltage | 0.6 | VBIAS | V | |
VBIAS | Bias voltage | 2.5 | 5.5 | V | |
VOUT | Output voltage | VIN | V | ||
VON | ON voltage | 0 | 5.5 | V | |
VPG | PG voltage | 0 | 5.5 | V | |
VIH, ON | High-level input voltage, ON | VBIAS = 2.5 V to 5 V, TA< 85°C | 1.05 | 5.5 | V |
VBIAS = 2.5 V to 5.5 V, TA< 105°C | 1.2 | 5.5 | |||
VIL, ON | Low-level input voltage, ON | 0 | 0.5 | V | |
CIN | Input capacitor | 1(1) | µF | ||
TA | Operating free-air temperature | –40 | 105 | °C |
THERMAL METRIC(1) | TPS22990 | UNIT | |
---|---|---|---|
DML (WSON) | |||
10 PINS | |||
RθJA | Junction-to-ambient thermal resistance | 51.4 | °C/W |
RθJC(top) | Junction-to-case (top) thermal resistance | 65 | °C/W |
RθJB | Junction-to-board thermal resistance | 17 | °C/W |
ψJT | Junction-to-top characterization parameter | 2.1 | °C/W |
ψJB | Junction-to-board characterization parameter | 17 | °C/W |
RθJC(bot) | Junction-to-case (bottom) thermal resistance | 3.7 | °C/W |
PARAMETER | TEST CONDITIONS | TA | MIN | TYP | MAX | UNIT | ||
---|---|---|---|---|---|---|---|---|
POWER SUPPLIES AND CURRENTS | ||||||||
IQ, VBIAS | VBIAS quiescent current | IOUT = 0 A, VIN = VON = 5 V |
–40°C to +85°C | 63 | 76 | µA | ||
–40°C to +105°C | 77 | |||||||
ISD, VBIAS | VBIAS shutdown current | VON = 0 V, VOUT = 0 V | –40°C to +85°C | 5.5 | 7 | µA | ||
–40°C to +105°C | 7 | |||||||
ISD, VIN | VIN shutdown current | VON = 0 V, VOUT = 0 V |
VIN = 5 V | –40°C to +85°C | 0.004 | 4 | µA | |
–40°C to +105°C | 10 | |||||||
VIN = 3.3 V | –40°C to +85°C | 0.003 | 3 | |||||
–40°C to +105°C | 7 | |||||||
VIN = 2.5 V | –40°C to +85°C | 0.002 | 2 | |||||
–40°C to +105°C | 5 | |||||||
VIN = 1.8 V | –40°C to +85°C | 0.002 | 2 | |||||
–40°C to +105°C | 4 | |||||||
VIN = 1.05 V | –40°C to +85°C | 0.001 | 1 | |||||
–40°C to +105°C | 3 | |||||||
VIN = 0.6 V | –40°C to +85°C | 0.001 | 1 | |||||
–40°C to +105°C | 2 | |||||||
ION | ON pin input leakage current | VON = 5.5 V | –40°C to +105°C | 0.1 | µA | |||
VHYS,ON | ON pin hysteresis | VIN = 5 V | 25°C | 123 | mV | |||
IPG, LKG | Leakage current into PG pin | VPG = 5 V | –40°C to +105°C | 0.5 | µA | |||
VPG,OL | PG output low voltage | VON = 0 V, IPG = 1 mA | –40°C to +105°C | 0.2 | V | |||
RESISTANCE CHARACTERISTICS | ||||||||
RON | On-state resistance | IOUT = –200 mA, VON = 5 V |
VIN = 5 V | 25°C | 3.9 | 4.8 | mΩ | |
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
VIN = 3.3 V | 25°C | 3.9 | 4.8 | |||||
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
VIN = 2.5 V | 25°C | 3.9 | 4.8 | |||||
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
VIN = 1.8 V | 25°C | 3.9 | 4.8 | |||||
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
VIN = 1.05 V | 25°C | 3.9 | 4.8 | |||||
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
VIN = 0.6 V | 25°C | 3.9 | 4.8 | |||||
–40°C to +85°C | 5.7 | |||||||
–40°C to +105°C | 6 | |||||||
RPD | Output pull-down resistance (TPS22990 Only) | VIN = VOUT = 5 V, VON = 0 V |
–40°C to +105°C | 218 | 253 | Ω |
PARAMETER(1) | TEST CONDITIONS | MIN | TYP | MAX | UNIT | |
---|---|---|---|---|---|---|
VIN = 5 V, VON = VBIAS = 5 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 34 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 5.4 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 31 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.3 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 21 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 152 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.3 | |||
VIN = 1.05 V, VON = VBIAS = 5 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 30 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 8 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 13 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.2 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 24 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 134 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.3 | |||
VIN = 0.6 V, VON = VBIAS = 5 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 29 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 8.8 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 10 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.2 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 24 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 131 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.3 | |||
VIN = 3.3 V, VON = 5 V, VBIAS = 3.3 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 33 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 6.2 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 24 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.4 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 22 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 132 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.5 | |||
VIN = 1.05 V, VON = 5 V, VBIAS = 3.3 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 30 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 8.7 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 12 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.3 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 24 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 122 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.5 | |||
VIN = 0.6 V, VON = 5 V, VBIAS = 3.3 V, TA = 25ºC (unless otherwise noted) | ||||||
tON | Turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 30 | µs | ||
tOFF | Turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 9.4 | |||
tR | VOUT rise time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 9 | |||
tF | VOUT fall time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 2.3 | |||
tD | ON delay time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 25 | |||
tPG,ON | PG turnon time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 119 | |||
tPG,OFF | PG turnoff time | RL = 10 Ω, CL = 0.1 µF, CT = 0 pF, RPU = 10 kΩ, CIN= 1 µF | 1.5 |
VON = 5 V | IOUT = 0 A | VIN = VBIAS |
VON = 0 V | VBIAS = 3.3 V | VOUT = 0 V |
VON = 5 V | VBIAS = 3.3 V | IOUT = –200mA |
VON = 5 V | VBIAS = 3.3 V | IOUT = –200mA |
VON = 0 V | VOUT = VIN = 1.05 V |
IOUT = 0 A |
VBIAS = 3.3 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V RPU = 10 kΩ |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V RPU = 10 kΩ |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
TA= 25°C CIN = 1 µF |
CL = 0.1 µF | CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VIN = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VIN = 3.3 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VIN = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VIN = 3.3 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VON = 0 V | VOUT = 0 V | VIN = VBIAS |
VON = 0 V | VBIAS = 5 V | VOUT = 0 V |
VON = 5 V | VBIAS = 5 V | IOUT = –200mA |
VON = 5 V | VBIAS = 5 V | IOUT = –200mA |
IOUT = 0 A |
IOUT = 0 A |
VBIAS = 5 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V RPU = 10 kΩ |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V RPU = 10 kΩ |
VON = 5 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VIN = 1.05 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VIN = 1.05 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 5 V CIN = 1 µF |
VIN = 1.05 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |
VBIAS = 3.3 V CIN = 1 µF |
VIN = 1.05 V CL = 0.1 µF |
CT = 0 pF RL = 10 Ω |