SPV1040 Просмотр технического описания (PDF) - STMicroelectronics

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производитель

SPV1040

High efficiency solar battery charger with embedded MPPT

STMicroelectronics 

Electrical characteristics

4

Electrical characteristics

SPV1040

VMPP-SET = 0.5 V, VCTRL = Ictrl+ = Ictrl- = GND, XSHUT = 0.5 V, TJ = -40 °C to 125 °C,

unless otherwise specified.

Table 5. Electrical characteristics

Symbol

Parameter

Test condition

Min Typ Max Unit

Input source section

VMPP-SET

Low boost voltage

threshold

VOUT = 3.3V

0.4 0.45 0.50 V

Iq

Quiescent current

ILOAD=0mA, VCTRL=2V, VOUT=3.3V,

ISD

Shutdown current

VOUT = 3.3V, VCTRL=2V,

ILOAD = 0mA, XSHUT = GND

Irev

Reverse input source

current

VMPP-SET=-4V, VOUT = 1.5V

60 80 μA

0.7 5 μA

1 5 μA

VUVLO

Undervoltage lockout

threshold for turn ON

@VOUT = 3.3V

VMPP-SET increasing

Undervoltage lockout

threshold for turn OFF VMPP-SET decreasing

@VOUT = 3.3V

0.27 0.34 V

0.14 0.24

V

Power section

RDS_ON-N

N-channel power

switch ON resistance

RDS_ON-P

P-channel

synchronous rectifier

ON resistance

VCTRL=2V

120 mΩ

140 mΩ

Control section

VMPPT-THR

VOUT

POUT (2)

MPPT-mode threshold Vout increasing, VMPP-SET = 1.5V

Output voltage range VMPP-SET ≥ 1.5V

Maximum output

power

VMPP-SET ≥ 1.5V

ILx

Maximum inductor

current peak

FPWM

VREF

PWM signal frequency

Internal VCTRL

reference voltage

VOUT ≥ 1.8V, VCTRL increasing

1.7 1.8 2 V

2

5.2(1) V

3W

1.5 1.65 1.8 A

70 100 130 kHz

1.2 1.25 1.3 V

VIctrl

XSHUT

Sensing current offset ICTRL+ - ICTRL- decreasing

XSHUT logic LOW XSHUT increasing

XSHUT logic HIGH XSHUT decreasing

40 50 60 mV

0.27 0.34 V

0.14 0.24

V

6/15

Doc ID 18080 Rev 3

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