CSR8615 View Datasheet(PDF) - Unspecified
Part Name
Description
MFG CO.
'CSR8615' PDF : 114 Pages View PDF
Power Supplies and Control
Lead
Description
CHG_EXT
External battery charger control.
43
External battery charger transistor base control when using
external charger boost. Otherwise leave unconnected.
LX_1V35
50
1.35V switch-mode power regulator inductor connection.
LX_1V8
47
1.8V switch-mode power regulator inductor connection.
013 SMPS_1V35_SENSE
16, 2 SMPS_1V8_SENSE
tember SMP_BYP
ay, Sep SMP_VBAT
- Mond VSS_SMPS_1V35
.cn VSS_SMPS_1V8
m.com VBAT
ecom VBAT_SENSE
- apach VCHG
s Tsao VDD_ANA
for jame VDD_AUDIO
Prepared VDD_AUDIO_DRV
52
1.35V switch-mode power regulator sense input.
53
1.8V switch-mode power regulator sense input.
Alternative supply via bypass regulator for 1.8V and 1.35V
49
switchmode power supply regulator inputs.
Must be connected to the same potential as VOUT_3V3.
48
1.8V and 1.35V switch-mode power supply regulator inputs.
Must be at the same potential as VBAT.
51
1.35V switch-mode regulator ground.
46
1.8V switch-mode regulator ground.
45
Battery positive terminal.
44
Battery charger sense input.
Connect directly to the battery positive pin.
Charger input.
42
Typically connected to VBUS (USB supply) as shows.
17
Analogue LDO linear regulator output (1.35V).
Connect to 1.35V supply, see for connections.
Positive supply for audio.
3
Connect to 1.35V supply, see for connections.
8
Positive supply for audio output amplifiers.
Connect to 1.8V supply, see for connections.
VDD_AUX
14
Auxiliary supply.
Connect to 1.35V supply, see for connections.
VDD_AUX_1V8
15, 16
Auxiliary LDO regulator input.
Connect to 1.8V supply, see for connections.
VDD_BT_LO
13
Bluetooth radio local oscillator supply (1.35V).
Connect to 1.35V supply, see for connections.
VDD_BT_RADIO
Bluetooth radio supply.
11
Connect to 1.35V supply, see for connections.
Pre-production Information
© Cambridge Silicon Radio Limited 2013
Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement
Page 19 of 114
CS-303726-DSP3
www.csr.com
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