PRELIMINARY
CYW43438
20.2 Bluetooth and FM Current Consumption
The Bluetooth, BLE, and FM current consumption measurements are shown in Table 41.
Note:
■ The WLAN core is in reset (WLAN_REG_ON = low) for all measurements provided in Table 41.
■ For FM measurements, the Bluetooth core is in Sleep mode.
■ The BT current consumption numbers are measured based on GFSK TX output power = 10 dBm.
Table 41. Bluetooth BLE and FM Current Consumption
VBAT (VBAT = 3.6V)
Typical
VDDIO (VDDIO = 1.8V)
Operating Mode
Units
Typical
150
162
172
–
Sleep
6
μA
μA
Standard 1.28s Inquiry Scan
500 ms Sniff Master
193
305
23.3
28.4
29.1
25.1
11.8
8.6
μA
DM1/DH1 Master
mA
mA
mA
mA
mA
mA
mA
μA
DM3/DH3 Master
–
DM5/DH5 Master
–
3DH5/3DH5 Master
–
SCO HV3 Master
–
FMRX Analog Audio only1
FMRX Analog Audio + RDS1
BLE Scan2
–
8.6
–
187
93
164
163
163
BLE Adv. – Unconnectable 1.00 sec
BLE Connected 1 sec
1. In Mono/Stereo blend mode.
μA
71
μA
2. No devices present. A 1.28 second interval with a scan window of 11.25 ms.
Document Number: 002-14796 Rev. *K
Page 89 of 101
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