CYW43340 datasheet(82/96 Pages) CYPRESS

82 / 96 page

Document Number: 002-14943 Rev. *L

Page 82 of 96

PRELIMINARY

CYW43340

17. System Power Consumption

Note: Values in this data sheet are design goals and are subject to change based on the results of device

characterization.

■ Unless otherwise stated, these values apply for the conditions specified in Table 24: “Recommended Operating Conditions and DC

Characteristics,” on page 58.

17.1 WLAN Current Consumption

The WLAN current consumption measurements are shown in Table 41.

All values in Table 41 are with the Bluetooth core in reset (that is, Bluetooth is off).

Table 41. Typical WLAN Power Consumption

Mode

Bandwidth

(MHz)

Band

(GHz)

VBAT = 3.6V, VDDIO = 1.8V, TA 25°C

VBAT (mA)

Vioa (µA)

a.Vio is specified with all pins idle and not driving any loads.

Sleep Modes

Leakage (OFF)

–

0.004

220

SLEEPb

b.Idle between beacons.

––0.005

220

IEEE Power Save, DTIM 1c

c.Beacon interval = 100 ms; beacon duration = 1.9 ms @ 1Mbps (Integrated Sleep + wakeup + beacon)

––1.06

220

IEEE Power Save DTIM 3d

d.Beacon interval = 300 ms; beacon duration = 1.9 ms @ 1Mbps (Integrated Sleep + wakeup + beacon)

––0.321

220

Active Modes

RX (Listen)e, f

e.Carrier sense (CCA) when no carrier present.

f.Carrier sense (CS) detect/packet RX.

–

44.4

200

RX (Active)f, g, h

g.Applicable to all supported rates.

h.Duty Cycle = 100%

–

57.7

200

TX CCK, 11 Mbps (20.5 dBm @ chip)h, i, j

i.TX output power is measured at the chip-out side.

j.The items of active modes are measured under the real association/throughput with the wireless AP.

HT20

2.4

325

200

TX, MCS7 (17.5 dBm @ chip)h, i, j

HT20

2.4

254

200

TX, MCS7 (17.5 dBm @ chip)h, i, j

HT40

2.4

270

200

TX OFDM, 54 Mbps (18 dBm @ chip)h, i, j

HT20

2.4

263

200

TX, MCS7 (15 dBm @ chip)h, i, j

HT20

261

200

TX, MCS7 (15 dBm @ chip)h, i, j

HT40

283

200

TX OFDM, 54 Mbps (16 dBm @ chip)h, i, j

HT20

271

200

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